with faden of the berman institute of bioethics at johns hopkins university and a member of the worldhealth organization's covert 19 vaccines working group thank you for your thoughts. my pleasure. and now it is over to our resident corona virus experts t w science correspondent derrick williams answering your questions about depend on mic. if the vaccine is not 100 percent effective can you still catch the virus after vaccination 1st of all no vaccine that we've developed for any diseases ever provided perfect protection to everyone although although a few like those for measles or for polio come very close but because every person's immune system is different in some people exposed to sars cove to the new vaccines will not stop the corona virus in its tracks trials in healthy volunteers indicate however that the candidates now being authorized for use in countries around the world are highly effective at doing so in most people it's kind of complicated but a simplified way of quantifying the efficacy demonstrated in trials would be to say that if you haven't been vaccinated you're a

for more let's bring in ruth faden she's the founder of the berman institute of bioethics at johns hopkins university and a member of the world health organization's kovan 1000 vaccines working group welcome to g.w. where do you see the biggest challenges for a fair distribution of these vaccines the challenges are enormous at a global level and also within countries the global challenges have to do with the fact that for reasons we can. easily understand it's not completely defend wealthy countries in the world have made their primary commitment securing vaccines for their own population this has resulted in a significant lock on supply or some vaccines for the forseeable future countervailing natch. challenge is the existence of something called the kovacs facility which is a global commitment to provide vaccine to all peoples of the world what kovacs needs is more financial support from wealthy countries more money coming in to kodak's and also we need more wealthy countries who are not currently part of the kodaks collaboration to be at least thinking about and bilateral commitments to

rafay been of the berman institute of bioethics at johns hopkins university and a member of the world health organization's covert 19 vaccines working group thank you for your thoughts. my pleasure and now it is over to our resident coronavirus experts to w. science correspondent derrick williams answering your questions about the pandemic . if a vaccine is not 100 percent effective can you still catch the virus off to vaccinate ssion. first of all no vaccine that we've developed for any diseases ever provided perfect protection to everyone although although a few like those for measles or for polio come very close but because every person's immune system is different in some people exposed to sars cove to the new vaccines will not stop the corona virus in its tracks trials in healthy volunteers indicate however that the candidates now being authorized for use in countries around the world are highly effective at doing so in most people it's kind of complicated but a simplified way of quantifying the efficacy demonstrated in trials would be to say that if you haven't been vaccinated y

were afraid and of the berman institute of bioethics at johns hopkins university and a member of theworld health organization's covert 19 vaccines working group thank you for your thoughts. my pleasure. and now it is over to our resident corona virus experts t w science correspondent derrick williams answering your questions about the pandemic. if a vaccine is not 100 percent effective can you still catch the virus after vaccination 1st of all no vaccine that we've developed for any diseases ever provided perfect protection to everyone although although a few like those for measles or for polio come very close but because every person's immune system is different in some people exposed to sars cove to the new vaccines will not stop the corona virus in its tracks trials in healthy volunteers indicate however that the candidates now being authorized for use in countries around the world are highly effective at doing so in most people it's kind of complicated but a simplified way of quantifying the efficacy demonstrated in trials would be to say that if you haven't been vaccinated you'r

for more let's bring in ruth faden she is the founder of the berman institute of bioethics at johns hopkins university and a member of the world health organization's kovan 1000 vaccines working group welcome to you where do you see the biggest challenges for a fair distribution of these vaccines the challenges are enormous at a global level and also within countries. the global challenges have to do with the fact that poor reasons we can. easily understand it's not completely defend wealthy countries of the world have made their primary commitment securing vaccines for their own population this has resulted in a state if it can't lock on supply for some vaccines for the forseeable future countervailing. challenge is the existence of something called the kovacs facility which is a global commitment to provide vaccine to all peoples of the world what kovacs needs is more financial support from wealthy countries more money coming in to kodak's and also we need more wealthy countries who are not currently part of the kodaks collaboration to be at least thinking about an bilateral commitments t

rif adan of the berman institute of bioethics at johns hopkins university and a member of the world healthorganization's kovan 1000 vaccines working group thank you for your thoughts. my pleasure. and now it is over to our resident corona virus experts t w science correspondent derrick williams answering your questions about the bend i make. this the vaccine is not 100 percent effective can you still catch the virus after vaccination 1st of all no vaccine that we've developed for any diseases ever provided perfect protection to everyone although although a few like those for measles or for polio come very close but because every person's immune system is different in some people exposed to sars cove to the new vaccines will not stop the corona virus in its tracks trials in healthy volunteers indicate however that the candidates now being authorized for use in countries around the world are highly effective at doing so in most people it's kind of complicated but a simplified way of quantifying the efficacy demonstrated in trials would be to say that if you haven't been vaccinated you're aro