UN COVID ١٩ Herd Immunity Unlikely In ٢٠٢١ Despite Vaccines

أكثر من ٤ سنوات فى IRD

GENEVA (AP) — The World Health Organization’s chief scientist warned that even as numerous countries start rolling out vaccination programs to stop COVID-19, herd immunity is highly unlikely this year. At a media briefing on Monday, Dr. Soumya Swaminathan said it was critical countries and their populations maintain strict social distancing and other outbreak control […]

ذكر فى هذا الخبر
شارك الخبر على