WASHINGTON (Reuters) - The highly contagious variant of COVID-19 first discovered in the United Kingdom has become the most common strain of the virus in the United States as cases continue to climb, ...

(Reuters) -The Delta variant of COVID-19 is now the dominant strain worldwide, accompanied by a surge of deaths around the United States almost entirely among unvaccinated people, U.S. officials said ...

A research team in Japan identified a variant strain of the novel coronavirus that it says might be treatable with a drug developed to treat cats with the disease due to its weakness. The researchers ...

The World Health Organisation has renamed the new variant Omicron, declaring it a “variant of concern”. Now countries are closing their borders. “Based on the evidence presented indicative of a ...

A variant strain of the coronavirus, one that was first discovered in the United Kingdom, is now the dominant strain of the virus circulating throughout the United States, CDC Director Rochelle ...

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[Asia Economy New York=Correspondent Baek Jong-min, Reporter Kwon Jae-hee] As the analysis suggests that the India-originated 'Delta variant,' which has a faster transmission rate among COVID-19 ...

Mutant strains of the novel coronavirus are spreading so rapidly that experts are calling for immediate measures to discourage people in hotspot areas from going on unnecessary outings. Between the ...

Doctors have issued warnings over a new strain of flu, known as subclade K, which is sweeping across the UK, with worrying new symptoms and pushing up hospital admissions ...