The F.D.A. recommends Covid boosters be retooled to incorporate the Omicron subvariants BA.4 and BA.5.

By BY NOAH WEILAND from NYT U.S. https://ift.tt/iNpgSkn

Share this :

• Digg
• Linkedin
• Stumbleupon
• Delicious
• Tumblr
• BufferApp
• Pocket
• Evernote