Add Yahoo as a preferred source to see more of our stories on Google. The Lambda coronavirus variant has been targeted for more study by the WHO. It carries an unusual set of mutations and became ...

CNN — As the coronavirus pandemic continues, infections caused by the Lambda variant have been emerging in the United States, including in Texas, where Houston Methodist Hospital last month reported ...

The Delta variant of the Covid-19 virus appears well positioned to maintain its dominance over new variants such as Lambda and Mu, virologists say. Delta accounts for 99% of new Covid-19 cases in the ...