US Donates Pfizer Vaccine Doses to South Africa…

South Africa has received 2.8 million Pfizer vaccine doses from the United States as part of a donation that is set to boost the country’s vaccination rollout campaign. “The next batch will arrive on Tuesday…

People who already had COVID-19 should still get…

As the U.S. grapples with its troubled vaccine rollout, an alarming increase in coronavirus cases across the nation has resurfaced a long-simmering question: Do people who’ve already had COVID-19 need to be vaccinated?Natural immunity is…