dr. manny alvarez is a member of our fox a team.s the baby formula that caused this. right? >> absolutely. the bacteria found is a bacteria that you typically see in contaminated foods. it has been shown in cases of baby formula before. it's very deadly to infants, you know, 40 to 80% with real infection with this bacteria end up in death, especially with the little babies. we don't know. this is a precaution wal-mart and a lot of other stores took in taking out this formula. rick: smart idea? >> it's a very smart idea. there have been cases in the past with a whole contamination of baby formula a huge recall by the manufacturers. i applaud wal-mart and many other stores from doing this. parents are going to get all panicky. look, the jury is still out, this is one case. the department of health is not sure exactly whether it was the formulation itself or in the preparation. a lot of babies get sick when you prepare, especially powered milk. you have to make sure that the water is sterile, you have to make sure that the bottle is st

dr. manny alvarez has a recap of the euro's health news. >> reporter: with plenty of health related introducerabbing the headline this past year, we'll take a look at afew of the year's big stories. here is a taste of the something new. the food pyramid gives way for a simple plate-shaped icon. in phoenix, a 27-year-old woman deliver as a baby girl who developed outside her uterus. in the lone star state, another mother giving birth to a 16- pound baby boy, twice the weight of an average healthy newborn. >>> at a ceremony in rome, the u.s. announces the eradication of a deadly animal disease, now only the second in human history to be successfully wiped out. first small position. 57-year-old sharl nash reveals her new look following a full face transplant. the surgery the raiflt chimpanzee attack in 2009. in the uk, a ph.d. student discover as a technique that could prevent people from dying of breast cancer by switching off breast cancer stem cell's resistance to an anti-cancer drug lysteria kills 29 people so far. in the biggest legal settlement ever, glaxo smithkline agrees to pay $3 billi

dr. manny alvarez. dr. manny how promise something the vaccine? how will it work?romising. basically the science is you take your own immune system and fighting cells teach them to recognize cancer. in this particular experiment with breast cancer. and the natural cells of your body can destroy the cancer cells. what they have shown is in the animal model this science works and is 90% reduction in the cancer cells. so now what has to happen is, you have to have human trials but at least the scientific portion of this experiment is very positive. martha: so, you know, when you get a flu vaccine, you're getting a tiny bit of that flu and your body is reacting to it. if you get a cancer vaccine are you getting a tiny bit of cancer cells? >> no you're not. all cells basically have specific sugars outside and basically what scientists have been able to do to teach the immune cells they wanted to recognize the sugarcoating outside the cancer cells so when they see that they know it is a cancer cell and go ahead and attack it. you're not getting a piece of cancer and ther

dr. manny alvarez, a fox new medical a-teamer. christmas. >> christmas tree syndromes. is he kidding? i wish i was kid. kidding. this is when you're very allergic to the molds found in the christmas free. this was in the journal of allergy. they did a study and found that a lot of the trees, they have a lot of mold, you bring them inside your house, and if you're very allergic to hold and that kind of ale allergans you can get sick. jenna: it's mold. >> and in the bark of the tree. they sit out there, it's humid. the same kind of thing that you'd argue people are allergic in the winter when they go into a forest. there are a lot of spores and fungi that are found. jenna: people can get really sick from mold. is there lasting effect from it? >> some of them. if you have a lot of allergies it's going to make it worse. if you do buy a tree you can tell whatever store you're buying it from that they could wash it down, a lot of them do. jenna: spray it off. >> otherwise take it home, hose it down, let it air dry. you can bring it back