3 ms·
Even in underdeveloped countries most have probably been exposed multiple times and built up natural immunity. Although AIDS and other comorbidities could be a
by cat_plus_plus 4y ago
Even in underdeveloped countries most have probably been exposed multiple times and built up natural immunity. Although AIDS and other comorbidities could be a problem in Africa and perhaps China needs lots of doses to mitigate consequences of zero COVID. If their official case stats are to be trusted that is.