Pfizer vaccine, 95% epektibo vs. COVID-19 pero posibleng may bahagyang adverse effects; Vaccine Expert Panel, iginiit ang kahalagahan ng herd immunity
  • 3 years ago
Pfizer vaccine, 95% epektibo vs. COVID-19 pero posibleng may bahagyang adverse effects; Vaccine Expert Panel, iginiit ang kahalagahan ng herd immunity
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