half of respondents said they were concerned about possible side effects earlier my colleague colleen bray discussed with i guess what might be behind the mistrust. for this particular vaccine there's a few reasons why people are skeptical one is that the safety procedures have been very much truncated for the strug and compromised they've skep the animal tests and the observation period for humans subjects is very very lore and it's also a very new tape of technology this am or any which has never really been used before the vaccine has not been rushed through and let me explain why in this case this was a global effort a global pandemic and if we came in a bottomless pit of money therefore it was able to do it in a short time not because we were cutting corners but because all the normal barriers the bureaucratic nonsense of funding not being able to find that the the people to do the experiments on except were all and abled and that's why we've got the vaccine in record time and so the other politicians making it worse i guess the politicians are partly to blame because if you look at t

either this is artsy for moscow my name's colleen bray with the world update this hour 1st a vaccine update for you the authorities in the u.s. have said they're now investigating 5 adverse responses to the pfizer but on tech over vaccine including 3 alaska health workers officials admit that they still don't know the exact cause i think we'll be looking at all of the data we can from each of these reactions to sort out exactly what happened and we'll also be looking to try to understand which component of the backs we might be helping to produce. well the news came just hours after a 2nd vaccine developed by mcdonough was approved by u.s. regulators meanwhile vice president mike pence received the fires of bio tech shop live on t.v. along with his wife and he gave the job his vote of confidence. karen and i are than happy to step forward for this week. to take this safe and effective corona virus vaccine that we have secured produced for the american people well there's now been several confirmed cases of allergic reactions to the pfizer biotech vaccine a 3rd health worker in alaska