LONDON — As more cases of the new omicron Covid variant emerge around the world, experts say it's likely that the variant, first identified in South Africa last week, had already been circulating for ...

Here’s what to know about the coronavirus variant, which was first detected in the United States in September. By Knvul Sheikh As the holiday season winds down and Covid-19 cases start to pick up, a ...

Authors propose enhancing awareness of risks, close genomic surveillance and early diagnostic tests for symptomatic contacts as part of clinical management of these patients. *Please mention the ...