bigsnake49
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Question of an ignorant like me,
concerning the numbers of spring and today, and the theory 'immune of the pack'
if there is no immune of the pack, and antibodies weaken by time, as many researches show.
the vaccine would be permanent? or every year we will make a new one?
Since we don't have enough history/experience with this particular virus assume for the time being that you need yearly vaccination just like with the regular flu.