Quote:
Originally Posted by Bill14564
Wasn't the 95% number derived from the reduction of cases in the vaccinated portion of the trial? If so then there must have been some confirmed cases during the trials or they would have claimed 100% effective.
If the vaccines are 95% effective then the chance of becoming infected after vaccination is small but it is not zero.
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Just like other vaccines, the inoculation does not take in certain people. So, although 95% are protected, the other 5% can possibly catch and carry the virus. Of those that can possibly be infected, they'd have to come in contact with another person who is infected.
My point was that it hasn't been shown that successfully inoculated people can carry the virus. We can safely assume that the 5% who were unsuccessful in getting inoculated could carry the virus.
Some people undoubtedly will not have an inoculation 'take'. I am one of those rare people that had the smallpox vaccine given to me many times. It never 'took'. I never got the smallpox 'scar' so every year they would consistently give me another one. Did no good. never scarred, never blistered. Last time they tried was when I entered boot camp.
It will be interesting as time goes by and booster shots are given if that 5% dwindles down to nearly zero. Of course, there's no easy way to tell except Covid would simply go away, like SARS, MERS, etc..