Health
Send Out the Search Party for New Covid Strains – The Wall Street Journal
Variants of the virus can be stopped if uncovered early—but that will require more genetic sequencing.
Many are expecting vaccinations, rising levels of immunity and warmer weather to help control the Covid-19 pandemic and make spring and summer more bearable. But new viral variants threaten these prospects. The U.S. is struggling to estimate how prevalent these strains are and how fast theyre spreading. The infrastructure for dealing with a pandemic is still incomplete a year into the crisis.
At issue are mutated strains: one identified in the U.K., another first spotted in South Africa, and a third…
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