4 ms·
As best we can tell, no one has "permanent acquired immunity". 36% of those infected never develop antibodies. Of the remaining 64% that do, most lose their a
by pinneycolton 5y ago
As best we can tell, no one has "permanent acquired immunity". 36% of those infected never develop antibodies. Of the remaining 64% that do, most lose their antibodies in less than a year.