Imagine sitting in front of 40,000 tiny pieces that you have to assemble into a jigsaw puzzle. Except that some of these pieces may belong to a different puzzle. There is no box to tell you what...
It is true that the original protection rate of over 90% in the trials has not been matched by real-life experience, but that was to be expected. However, the protection is still significant....
A vaccine contains an attenuated or inactivated microorganism (or part of one) so that your immune system can prepare itself for an eventual infection. The content of the vaccine must be...