Covid cases rise in Northeast as BA.2 omicron subvariant takes hold
By Fenit Nirappil, Dan Keating & Frances Stead Sellers
Why White House Covid czar Dr. Jha says he's 'not overly concerned' about rising BA.2 cases
By Jade Scipioni
Virus outbreaks are pushing some U.S. universities to reinstate mask mandates. (Published 2022)
By Giulia Heyward
City of Philadelphia Will Reinstate an Indoor Mask Mandate
By Campbell Robertson