Browsing Tag
Variants
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The year of coronavirus variants: How evolution tormented us in 2021
A year ago, many were hoping the pandemic would soon be over – but then came alpha, delta and omicron Health 24 December 2021 By Michael Le Page A sign in Hounslow, London, in June 2021James Veysey/Shutterstock What a year it has been. In December 2020, the first vaccination campaigns were just getting under way…
How COVID-19 Variants Could Outsmart Vaccines
This August, the CDC reported that the highly-infectious delta variant may reduce efficacy of Pfizer-BioNTech and Moderna’s mRNA vaccines from from roughly 91 to 66 percent. And while the deta variant continues to account for the overwhelming majority of cases in the U.S., some researchers claim that the lambda and mu variants could further dampen…