All coverage
This new symptom is showing up with the Omicron variant
By Marco Quiroz-Gutierrez
Omicron fuels India third wave as Mumbai prepares for ‘tsunami’ of Covid cases
By Hannah Ellis-Petersen
Can you get Omicron twice? What we know about Covid reinfection and if you can catch it after having Delta
By Alex Finnis
Omicron symptoms on skin, lips & nails could mean you need urgent treatment...
By Lottie Tiplady-bishop
U.S. reports nearly 1 mln COVID-19 cases in a day, setting global record
By Lisa Shumaker & Joseph Ax