wayne k dr., there is a vaccine that maybe does not prevent us from getting it, is that still effective wayne: sure. just as background, i think the audience has to understand that that is how vaccines actually work. for all of the license of vaccines that we have, they work antibodies, and those antibodies are going to ensure that we don't get ill. a, it is very hard to have bar of a vaccine that is going to prevent infection. what you want to do is prevent disease. caroline: is that going to be effective enough? of,e got the question mark it is important that it does not spread. but if we all know that we are not basically going to get the disease, does it make people too complacent -- too complacent, taking off those face mask, and they will still be infecting others. wayne: i think you have to take a step back and understand that unprecedented effort here in the vaccine field to be able to make a vaccine against this virus in the next 18 months. we have at least 100 of the experimental vaccines in development now. the animal models have shown us that in the majority of the cases, th