COVID-19: 5 questions about immunity on International Day of Immunology
This year, with the COVID-19 crisis still raging in most of the world, understanding immunity - what it means, how it works and when - is more relevant than ever.
Israelis in Jerusalem are seen without face masks after coronavirus restrictions were eased.(photo credit: MARC ISRAEL SELLEM/THE JERUSALEM POST)ByMAAYAN JAFFE-HOFFMAN
