has spent over a billion dollars stockpiling tamiflu. now, dr. jon lapook tells us a new study questions whether it works. what drove a student to go on a stabbing rampage? vinita nair on the search for clues. >> reporter: did he have any history of mental illness? >> pelley: a tech breath sends the market tumbling. anthony mason on the sell-off. and ben tracy on cbs' choice to succeed david letterman. >> dave, it's actually me. >> oh! captioning sponsored by cbs this is the "cbs evening news" with scott pelley. > pelley: good evening. this is our western edition. it got worse today for general motors and the owners of more than 2.5 million recalled calls. there is something wrong with them, and it's potentially dangerous. once again, it involves the ignition system. fixing this new problem will cost g.m. $1.3 billion. the car maker said today it is suspending two engineers with pay in connection with the decade-long delay in the initial recall. jeff glor has been following the story from the start and has the latest. >> reporter: g.m. said today

. >>> y los medicamentos mÁs populares contra la gripe el tamiflu y el re lenz no son tan efectivo comosndemia ¿que pasarÁ ahora? cristina londoÑo investigÓ. >>> dice que pensÓ que esta templada de en flaoinfluenza er Última de su vida. >>> creo que me voy a morir, me siento fatal, tomaba solo agua. >>> se curÓ con caseros porque no tiene seguro gran parte de los pacientes recibieron receta de los ante virales re lenz y tamiflu. >>> la intensidad fue menos tambiÉn. >>> sin embargo, el estudio britÁnico publicado hoy dice algo distinto los a toros autores reportan un fracaso sistemÁtico. el tam plu r flu causÓ na naÚseas y vomitos en 4 y 5% de los pacientes. y el ralenza no causa efectos xun r secundarios, pero tampoco alivia como promete. >>> estados unidos se ha gastado mÁs de 1300 millones de dÓlares comprando y almacenando ante virales en caso de una nueva pandemia. ante el estudio adverso, la auto autoridades de salud citaron un creciente Ñu doy, que muestran el beneficio clÍnico de tratamientos ante virales contra la influenza. >>> tamiflu lleva en el mercado desde el 99 su uso auto

eric: we've talked about this, tamiflu, that if you feel you're getting the flu, pop a tamiflu, and it and underdeliver. and i'm a little disappointed that we have this study that just came out. this was published in british medical journal, and for four years every time you started to have the sensation and the feelings of flu, your doctor gave you this tamiflu to shorten the period of the disease itself but also reduce the symptoms, and perhaps prevent you from getting the full-blown influenza and ending up in the hospital. the idea is that they can shorten it by one day, and now we're finding out that a lot of data may or may not have been accurate. in fact, they put it against placebo, and tamiflu, and there was not really think benefit. unfortunately, the side effects which is nausea, vomiting, headache and possible kidney issues are some of the side effects. so this is a warning, and, of course, there has to be further investigation and find out whether there's any benefit to this, but i was disappointed because so many medical doctors out there emphasize z-pak or tamiflu when it

spent a billion dollars bying a strategic reserve of antivirals including tamiflu.e cdc says it has been helpful in treating patients with common strains >> a group of high school students in texas are building a prosthetic hand for a 2-year-old boy. >> this is remarkable. he has been missing three middle fingers on his left hand since birth his older brother turned to his former robotics teacher asking three students what they can do. they were able to build a working hand for the young man. it opens and close was a bend of the wrist. >> he'll be able to pick up objects >> the they're going to make changes the students are raising money online to take projects to the skills usa national competition this summer. it's an amazing story we have a link. >> an 11-year-old berkeley boy is in surgery today to have part of his leg amputated he has a rare disorder to cause his leg bones to fracture. he begged to undergo so he cannot worry about breaking his leg. after recovering, doctors expect he will be walking on his prosthetic leg in just months. >> hoping it works out.

tamiflu was the emerging medicine.his report claim the drugs benefits were exaggerated. >> there's no changing hospitalization. there's no effect on transmission of flu that would be a credible to use in a pandemic situation. >> the fear of a pandemic led to this, warehouse us full of drags, stock piled for acknowledge emergency. the british government spent $793 million on tammy flew, the u.s. government $1.3 billion on the drug. the new report found it worked, but only a bit. flu symptoms which would last seven days were reduced to 6.3 days, 5.8 in children. over-the-counter drugs would have had the same effect. >> it was a battle for years to get research. the system was criticized, all the way drugs regulators are only ever presented with selective data by the pharmaceutical industry. >> they purchase the studies, provided the regulator but do not present in a reasonable fashion or give evidence on the harms. >> tamiflu is refuting the allegation of secretiveness. >> we shared all of those things with the regulator

tamiflu emerged as the leading antiviral medicine. this new report claims that the drug's benefits were exaggerated. >> there is no reduction in complications like pneumonia and hoped ideation. it also tells that there are no effects on transmission of flew that would beware houses full of drugs stockpiled for an emergency. the british government spent $793 million on tit. amiflu. the u.s. $13,000,000,000 on the drug. the new report found tamiflu worked but only a bit. flu symptoms which would have lasted seven days were reduced to 6.3 days for adults and 5.8 days in children. critics say over-the-counter drugs would have had the same effect their findings not only question the drug but also criticize the system the way drugs regulators are only ever presented with selective data by the pharmaceutical industry. >> they are a conflict of interest and provide the regulator with what they ask for but they do not go out of their way to present the reasonable sfaings. >> tam few you floe is manufactured by rosh. it is disputing it? >> we s

. >>> a new question about whether tamiflu was effective in stopping the flu virus. the reports in the british medical journal says it treats tamiflu but no proof in stopping it's the spread. the u.s. have spent billions to stockpile the drug. >>> a man surrendered today, 26- year-old robert alchado was in custody tonight. authorities had been looking for him since yesterday. he caused a crash that killed a 4-year-old girl and injured others. investigators say he slammed into a convertible causing it to slam into the daycare. >>> the community came together and i think the pressure from both sides of the community paid off and he did the right thing and listened. >>> the suspect had been arrested 8 times since 2000 including leaving the scene of the crash. one of the children is hospitalized in critical condition. >>> people centered are interested in getting google glass have a chance. they have to act fast. next tuesday google is exploring the program for one day. people can start to sign up online for a chance to buy the wearable computer for $1500. google did not

our medical correspondent reports. >> reporter: during the flu pandemic of 2009, tamiflu was handed outthousands of adults and children in a bid to control their flu symptoms. researchers who fought for years to get access to the data of clinical trials of manufacture have now questioned its effectiveness. in a review of 20 clinical trials, the team concluded the drug shortens symptoms half a day and may be no better. there's no evidence it reduces hospital admissions or complications and increases the risk of nausea, vomiting and other side effects. they also found serious problems with the design, conduct and reporting for in of the trials. the researchers say this raises questions about half a billion pounds spent by the uk government on stock piling the drug. however, this analysis is at odds with the resent review from the nottingham university that looked at hundreds of hospitalizations worldwide and found nearly half had the risk of death. the drug say vital treatment option for patients with flu. >> cdc in united states, european equivalence also offers the druchlth there's a co

has spent over a billion dollars stockpiling tamiflu. now, dr.tells us a new study questions whether it works. what drove a student to go on a stabbing rampage? vinita nair on the search for clues. >> reporter: did he have any history of mental illness? >> pelley: a tech breath sends the market tumbling. anthony mason on the sell-off. and ben tracy on cbs' choice to succeed david letterman. >> dave, it's actually me. >> oh! captioning sponsored by cbs

some questions being raised about flu drugs like tamiflu.t is raising doubts about the benefit of the drug. it is described to treat flu. researchers point out that the drug often works but not always. flu experts say it helps reduce the flu's deadly side effects. >>> now, to sports. the golf's first major of the year, the masters, getting under way this morning at augusta national golf club in georgia. >> coverage begins at 3:00 p.m. now, our friends at espn have last night's hoop action. >> good morning, america. he's stan. i'm neil. tommy edwards directing in los angeles. heat/grizzlies. >> a bicoastal update. dwyane wade out again for the heat. but lebron james was there. and he had 37 points, 6 rebounds and 5 assists. got that three-pointer plus the foul. fourth quarter, after the heat turn over, nick kalcalates. double-doubles for marc gasol and zach randolph. conley had six assists. and the grizzlies win 107-102. in the playoff race at the bottom of the western conference. >> they're tied with phoenix for that eighth spot in the west.

tamiflu does not help if you have the flu? ♪ >> that is not what i am saying. >> i want to know what you are saying. no corruption? >> there were some bonehead decisions. not even mass corruption, not even a smidgen of corruption. stuart: the super president said that on the weekend of super bowl sunday. e-mails showing low as learner considered the tea party matter very dangerous. another will suggest she was waiting for a job with a pro-obama political group. no matter what comes of ms. lerner, she has been linked. one of the sharp edge critics of the president joins us now. in a lot of trouble with those e-mails, clearly she was going after conservative groups, but you have not yet linked miss lerner the white house or the campaign. could not believe there is a direct link yet, is there? >> that is probably what they're trying to get out of lois lerner. it is a slight abuse the office of the irs like that to interfere with tea party groups in the way they suggest she was doing. she is in a lot of hot water. stuart: does tha

that pointed to one study showed that tamiflu could reduce the risk of death by about 19%.t study was funded by roche, so that discredited a little bit. the issue from the people behind the report is with the regulators. they spend all the money without having a science to back it up. >> coming up, a look at a hope willr that they catch on in urban settings. "frozen" and its success on and off the big screen. ♪ >> only first -- we first saw toyota's concept car at the auto show. toyota invited members of congress and our own phil mattingly to take it out for a test drive for a little market research. >> part motorcycle, part golf cart, part futuristic pod mobile , it was enough to pull a handful of u.s. lawmakers away from the business of legislating for a test drive. >> toyota has a big plant in my district and i wanted to see what it can do. there is some potential opportunity for it, especially in urban settings. i was fascinated by it. i test drove it today. it was fun. powered by a lithium-ion battery, giving it about 30 miles per charge. it tops out at about 28 miles

medicinas para tratar la influenza no son tan efectivas como pensaban, un grupo descubrio que el tamiflue que accedan a toda la informaciÓn. y algunos de los principales sitios web entre ellos yahoo, facebook, ya tomaron medidas. y antes de hacer planes para el fin de semana aquÍ estÁ sangra o neal. >>> buenas tardes. feliz viernes social. feliz viernes de ir a disfrutar de los beisbolistas en el juego de los gigantes. y son los vientos que estamos presenciando en oakland 12 millas. san francisco 16. y por san josÉ 8 millas. estas fueron las mÁximas de hoy. san francisco en los 60 grados. 75 en livermore. napa con 72 grados. esta noche las temperaturas bajaran hasta las 49 grados a eso de las 7, 58 en el estadio de los gigantes. maÑana 75 en livermore. palo alto con 69. y vamos a ver los prÓximos 5 dÍas. y este sÁbado la temperatura de 60 grados. el lunes 67. y despuÉs del martes comienzan a llegar posibilidades de lluvia, especialmente para el prÓximo miÉrcoles. los amigos que viven en oakland temperaturas similares. y el miÉrcoles los 63 grados. en san josÉ los 72 para el prÓximo domin

new questions about tamiflu. >> greek citizens hitting the streets at angela merkel comes to down. the german chancellor supporting austerity measures for athens. the greeks are none too happy. [ grunting ] i'm taking off, but, uh, don't worry. i'm gonna leave the tv on for you. and if anything happens, don't forget about the new xfinity my account app. you can troubleshoot technical issues here. if you make an appointment, you can check out the status here. you can pay the bill, too. but don't worry about that right now. okay. how do i look? ♪ thanks. [ male announcer ] troubleshoot, manage appointments, and bill pay from your phone. introducing the xfinity my account app. >> welcome to al jazeera america. health and human services secretary kathleen sebelius is calling it quits this morning. the president expected to nominate sylvia matthews burrell, the current secretary of management and budget. kathleen sebelius was criticized over the rollout of the affordable care act. the president of thing progress.org is in washington, d.c. this morning and joins us. good morning. >> good

. >> we can say multi-vitamins are great for you and another week multi-vitamins are bad for you, tamiflu is good for you, bad for you, same thing with viagra. you can't practice medicine that way and can't deliver science that way so here's what i say. we already know baby boomers are at increased risk for melanoma because we burned ourselves when we were kids, because we didn't know about sunscreen, so when i see a baby boomer in the office, i check their ears, i check their neck, i check their scalp, i check their face especially, i look for signs of irregularity and we've talked about melanoma on the show, irregular borders, different colors, raised, larger than 6 millimeters, look for several different signs of melanoma. i want people to screen for melanoma. i do not want them to stop prescribing viagra as a result of this. >> shouldn't you get a body check coming into summer? >> you should do that. these medications are not always the answer and look -- look at the obesity, diabetes, high blood pressure, some of the risks, lack of sleep, alcohol intake. you should exhaust taking car

that's the claim in a new report on the key flu drug tamiflu. they say there isn't enough evidence that it stops the spread of the flu or prevents serious complications like pneumonia. support ers say the study is flawed and maintain the drug is still the best defense against the flu. >>> drive a toyota? the world's biggest automaker announced the second largest recall ever. toyota recalling 6 million cars worldwide because of several issues, including a defective engine starter. so far nearly 30 models pro-dusd between april of 2004 and august 2013 are impacted. there are no reports of injuries or crashes related to the recalls but two fires have been reported. for a list of the models and recalls go to our website and search toyota. >>> the wedge of lime in your drink not happening. some airlines are not offering lime slices on flights because of a spike in prices. they say a shortage in limes have caused prices to shoot up at least 700% since january. growers are blaming mexican drug cartels for putting a squeeze on lime production. many bay

another team to produce tamiflu because as a college team is playing so great augustine is going to stick a very simple but anna banana so we're convinced that we would become the first team which can defend the title of the champions league winners real madrid to see star team contains christiane never know it's a good match will be difficult. what we don't support it and then the doors that i would have to take it with you. i read it yet but we were going on are based on a great team. i'm always going to be difficult when other. but there were about something that's final. so this is it is impossible to finish that. he gets me going favorites to win the competition which chelsea are some ideas to win the coveted triple tournament the matches will take place every two weeks in late april i eye rule. though. they will be the team. do. in the room. i ate. will. and gurus are. the while. will ch. woodbine woohoo. gorge in your dreams like i won all ten democratic progressive party chairperson sweet and tart cousin austin via facebook that he will not see the re election as party chairperson

britÁnicos revelaron que no hay evidencias suficientes que comprueben que el medicamento antiviral tamifluÉdica que afecta a mas de 23 millones de estadounidenses, que gastan 4 mil millones de dÓlares al aÑo en gotas oculares para aliviar los sÍntomas, como cuenta cecilia ramÍrez harris, habria una soluciÓn. >>> hace dos aÑos. ella sufrÍa resequedad en los ojos. >>> se me cansaban muchos los ojos, a la 3 de la tarde, tenÍa que tomar siestas, cerrar los ojos un par de horas, dificultad en conducir, especialmente de noche. dificultad con el computador. dificultad para leer. >>> a pesar de utilizar diferentes tipos de gotas que le fueron recetadas. no lograban calmarme sÍntomas, tenÍa ojo seco por evaporaciÓn. su diagnÓstico. >>> el ojo seco viene de dos formas. hay pacientes que no producen suficientemente lÁgrimas, y tienen ojos secos. otros pacientes las lÁgrimas que producen se evaporan rÁpido. >>> las lÁgrimas tienen tres componentes. proteÍna, acuoso y grasa. >>> en estos pacientes, lo que tienen son disfunciÓn de la glÁndula, la que estan en el parpado. y estas glÁndulas, se tienen a t

. >>> governments including britain's stock pile of the drug tamiflu amid concerns over the spread ofird flu. >>> so we can now go back to pretoria where oscar pistorius is questioned about the chief prosecutor. we saw him a moment ago. >> i don't remember even now where the place was where i met mr. bear. >> do you criticize her for not knowing but you don't know? >> the question was put to me from mrs. taylor knowing mr. bear. it was possible we had all been to his house. i don't know if i've ever been to his house. >> do you know if his residential place is where you met him? >> i don't recall. >> there was a time you met mr. bear is that right? >> that's right. >> you don't remember the location? >> no my lady. i had just driven there. i don't remember. >> we can't argue of side didn't remember because she was never driving. >> samantha. i apologize. samantha taylor. can we criticize her for not knowing? >> i don't believe mrs. taylor was with me. you'd have to look at the context. if she comes up here and says she went to a place in the river. you'd have to criticize it in the se

. >>> serious questions about tamiflu.tudy says there's not enough evidence to support claims the drug reduces serious illness. >>> and princess cruises says at least 66 passengers and 17 crew members have come down with a stomach bug that may have been caused by the norovirus. >>> a fox news alert now, back to the irs scandal. with more trouble for the woman at the center of it. lois lerner being voted to be held in con cement of congress. she refused to answer questions about the tea party targeting scandal. my next guest is republican jason chaffetz, he's a member of that committee and familiar with this story. great to see you, congressman. >> thanks, gretchen. >> what's the next step? >> now that we've held her in contempt, 21-12, it goes to the full house. it's a matter of time till speaker boehner brings it up. >> say it passes in the house, which it probably would. then it goes to the department of justice? >> that's the idea. hopefully they will enforce this. i think it's crystal clear that she waived her fifth am

. >>> tamiflu and others help those with flu. they looket add 24,000 patients.ncluded the drug decreased symptoms only slightly and did not reduce cases of pneumonia or the flu. this is the one the government stockpiles. what does this mean? >> in the u.s. itself we've really invested a lot into stockpiling, about $1.3 million in case of a big flu pandemic which could threaten a lot of lives. the drug decreases the length of symptoms from 7 days to 6.3 days but it does not decrease the risk of death or complications like pneumonia from the flu. so it's really calling into question how well prepared we are in case of a pandemic. >> and this drug has been around for a long time. why is it taking so long to figure out whether it actually works? >> really the understanding is that these drugs are faced for most people and they decrease the flu. not necessarily that they stop pneumonia or death. the cdc is standing by recommend degree drugs they're still food for treating the flu and they're not going to change their minds yet but not everybody afrees with the new re

a new study says drugs like tamiflu could lead to side effects, including nausea and depression. the study says drinking clear fluids and liquids may be just as effective in treating flu symptoms. >>> the atlanta braves say they will never set fireworks off from the top of their scoreboard again. that's because the pyrotechnics set the american flag on fire before their home opener. the team says the flag was flame-retardant. apparently not. it burned anyway. >>> and finally, next time you think about parking in front of a fire hydrant, keep this bmw in mind. the owner took a gamble. after all, what are the chances they'll actually need to use the hydrant, right? well, later in the night, a fire broke out across the street. boston fire department did not hesitate to bust through the car windows and weave the hoses from the hydrant straight through the car. >> keep that image in mind. >> the fact that it's a beemer, that's part of what makes it fitting. >> thank you, dan. >>> now, to that family who was saved at sea, rescued with their sick toddler in dramatic fashion from their c