Lilly Cheng Immergluck

A medical worker wearing protective gear in a booth, takes sample from a visitor during a COVID-19 testing at a coronavirus testing site in Seoul, South Korea, Wednesday, Aug. 11, 2021. (Photo | AP)

What are COVID-19 variants and how can you stay safe as they spread? A doctor answers 5 questions

Lilly Cheng Immergluck

11 Aug 2021

5 min read

X

The New Indian Express

www.newindianexpress.com