Mysterious Relief: Vaccines Help Some COVID Long Haulers

Editor’s note: Find the latest COVID-19 news and guidance in Medscape’s Coronavirus Resource Center. An estimated 10% to 30% of

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L452R and Y453F SARS-CoV-2 mutations increase transmission and evade immunity

Mutations from the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) have created multiple variants. Some variants, such as those found

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