no data to say the 1st dose gives protection 21 days british communicable diseases expert dr bihari franconia says the 2nd job can't be held up indefinitely. the 2nd dose is crucial in boosting the immune levels so if you are so optimally immunized and then you never get that boost that immunity will eventually start to frayed and you become one rouble to infection we have to immunize as many as possible as fast as possible and i accept giving the one vaccine prevents severe illness in more people by using up the 2 doses to give to double the number of people accept that but if we then fail to boost their immunities in a given time span then we may be losing the protective effect of the 1st vaccine that we gave if that is the case it's very unfortunate therefore the 2nd vaccine ought to be given within a good time frame not an indefinite time interval and a shocking revelation doctors in the u.k. are reportedly being told to throw away a leftover crown of our specs scenes similar incidents have been reported across the atlantic as well but shoppers in the united states were fortunate enough t