george rutherford, ucsf the shot, obviously not as bad. all right. julian: we are back on air with ucsf eb dummy only just -- ucsf epidemiologist george rutherford. i want to get your take on long-haulers when it comes to covid-19. folks who have been vaccinated, are they exhibiting the same long-hauler symptoms? that's something people have been concerned about, after they get over covid, they still don't feel themselves for so long, the brain fog and other symptoms. >> aches and pains, joint pains and stuff. we don't know. the answer is, if you get a breakthrough case, what's your risk of the long-hauler syndrome -- we just don't know. i think that the take-home here is that you don't want to get a breakthrough case. how do you not get a breakthrough case? get vaccinated. try and avoid situations in which there might be transmission, which means wearing masks and trying to maintain some social distancing. so, that's kind of -- not totally within your hands to avoid infection postvaccination, but i would encourage you to go the extra yard to avoid b

george rutherford. we have been hearing a lot about ivermectin. how is it used? we have been hearing about people going to feed to stores to get versions of the drug meant for horses --what is it? ivermectin it is -- dr. rutherford: ivermectin it is a drug designed to kill worms and cattle and large animals like horses. it is used very, very selectively in humans, specifically in west africa to control certain kinds of parasitic diseases, for which it is the only real alternative. it is a neurotoxic drug. it is toxic to your neurologic system, and when you couple it with the fact it does not work for covid, nor are there is any reason to suspect white woodwork because it is for worms, i think people need to take a big step back, take a deep rough and say this is not going to do anything for me and could make things worse, especially five start giving it to little kids where you cannot get the dosing right. julian: let's be very clear -- you are essentially saying it should not be used to treat covid-19 full stop because we have heard poison control units have had

george rutherford, university of california san francisco. a problem, the longer you don't go in the office, the longer that becomes the way of living. that really changes the economy in some ways. we will talk more. this is bloomberg. ♪ ♪ alix: when guy and i are both in on a friday, we are going to take a look at our favorite charts of the week. here's one of mine. this is palladium. this feeds into it hundred different stories we have seen. palladium has gotten simply crushed, down 12% this week, the worst we can all of 17 months. a couple of reasons why. one in particular that really affects palladium is what is happening in the chip sector because as automakers pushback their amount of autos they can actually produce this year because of the chip shortage, that directly hurts palladium that is used in catalytic converters. currently, ihs markit has said the second quarter of 2022 may be the point where we see supply stabilization for those chips. that is still quite a long way off. you make less cars, you use less palladium, you see weak

george rutherford, a professor of epidemiology and biostatistics at ucsf.nk you so much for joining us. let's start with the johnson & johnson vaccine, do you think people should be lining up to get the booster? >> it's a moral question about why we should be getting three vaccines when people in mexico aren't getting any. there is added benefit to it, clearly. but there is a weightier question about when we get even better protection if we vaccinated people in baja who are coming across the border? but that is something the federal government decided, we are on this path of giving a third vaccine, and i assume from the newest release we will also be looking at a second dose of johnson & johnson. if we are going to spend it, yes you should get it. >> it will provide that extra immunity. >> there is a slight difference there, we have had solid organ transplants. that is basically getting it to work the first time. for everybody else, the boosters are taking it where we have some waning immunity and boosting it again. >>> nationwide, the number of cases among

doctor george rutherford with ucsf says testing is very important as the delta variant continues to spreadmation. people fully vaccinated should get tested 3 to 5 days after a potential exposure. even if they have no symptoms. people not vaccinated should test immediately after exposure. experts say if negative they should test again 5 to 7 days after that with this testing site opened in soma. the city will be testing again about 5. 1000 those people every day. >> all this transmission were saying, you know, we can really pretty much trace back with, you know, some exception. 2 people who are unvaccinated. that's what that's where the emphasis needs to lie. and for those of you been vaccinated. we're giving you additional tools to remain safe. >> you do need to make an appointment online to be tested there. we have a link for that on our website. kron 4 dot com san francisco is now offering booster shots. >> either the pfizer or moderna covid vaccine to anybody meeting specific criteria for immunocompromised health conditions. the city's following recent guidance from the cdc in californi

george rutherford say that unvaccinated are the underbrush feeding the flames and the vaccinated areteral damage. >> is a vaccinated person you have more and more risk of being exposed. >> reporter: she suspects she got covid outdoors. then she unwittingly gave the virus to her unprotected two- year-old. >> i was terrified. i was really scared. >> reporter: cdc data suggests that vaccinated people can carry a large amount of the delta variant in their nose and mouth. >> they can still be transmitters to unvaccinated people. >> reporter: had 150 sites around the world, the vaccine continues to strongly protect against severe illness and death but it's power wanes over time. about 6% every two months. a problem if the virus is surging in the community. >> it really increases the anti- on us getting people vaccinated as quickly as possible. >> it takes weeks before a newly vaccinated person can develop an immunity. >> we can wear masks that will break chains of transmission. >> reporter: infectious disease expert ed zuckerberg says that in addition to masking we can also have more tests

george rutherford says unvaccinated are under brush feeding the flames.e collateral damage. >> you have more risk of being exposed. >> i was surprisingly sick. >> reporter: she suspects she caught covid outdoors. >> it is a bit scary. >> reporter: she unwittingly gave the virus to her unprotected 2-year-old. >> i was terrified, really scared. >> reporter: cdc data suggests infected vaccinated people can carry large amount of delta variant in their nose and mouth. that can put unprotected loved ones in danger. >> they can still be transmitters of the virus to unvaccinated people. >> reporter: dr. steven thomas is tracking longterm safety and efficacy of the pfizer vaccine at 150 sites around the world. the scientist said at six months the vaccine continues to strongly protect against severe illness and death but its power wanes over time, about 6% every two months, a problem if virus is surging in the community. >> really increases ante on us getting people vaccinated as quickly as possible. >> reporter: it takes weeks before a newly vaccinated person can

doctor george rutherford at ucsf explains where the increase case rate is coming from. >> all this transmission were saying, you know, we can really pretty much trace back you know, some exception. 2 people who are unvaccinated. that's what that's where the emphasis needs to lie. and for those of you been vaccinated. we're giving you additional tools to remain safe. >> yeah. here's some really important information. people who are fully vaccinated should get tested 3 to 5 days after potential exposure, even if you have no symptoms, people not vaccinated should test immediately after exposure if negative they should test again. 5 to 7 days later. so very crucial to remember that if you've been exposed, definitely go get tested and now they're making again very, very accessible for you to do so with this testing site up and running today they're going to able to test 5,000 people per day across the entire city. so that's good. if you need to make an appointment. we have the link on our website. kron 4 dot com for now reporting live in san francisco. sarah stinson back to. >> all right. thank you

ucsf epidemiologist dr george rutherford says in europe and other places, schools are testing other options trying to avoid sending home entire classrooms of kids who may have been exposed but aren't infected. instead of shutting the whole class town, you can test them everything and test the. be exposed, uninfected kids every day to see if there any infections and then you can continue having them continue to educate them. we're in it for the long term. i hope that after this winter, things will get better. i'm optimistic that kids will be able to get vaccinated in the fall. other precautionary steps montclair elementary in other schools have policies in place to keep kids in small, stable groups at luncheon recess, they say by doing that they can prevent possible exposure. when students have their masks down while eating at lunch and snack time. ali rasmus ktvu. box two news, ali, thank you still to come in noon, santa clara county sheriff laurie smith responds to san jose mayor sam liccardo is call for her to resign. i want to make it really clear that i am that i support all of the inve

ucsf epidemiologist dr george rutherford says in europe and other places, schools are testing other optionsding home entire classrooms of kids who may have been exposed but aren't infected. instead of shutting the whole class town, you can test them every day and test the. be exposed, uninfected kids every day to see if there any infections and then you can continue having them continue to educate them. we're in it for the long term. i hope that after this winter, things will get better. i'm optimistic that kids will be able to get vaccinated in the fall in oakland, ali rasmus ktvu fox two news students are heading back to campus at cal state. east bay is the fall semester gets underway there today, the campus held to welcome back fair and or e irritation at the campus in hayward, students could learn about different clubs on campus, as well as academic departments and programs. they say enrollment is about half of a typical year with about 7500 students, as opposed to the usual 15,000. but after a year online students say it is just wonderful to be back on campus. i miss coming to school s