The spread of two newly discovered subvariants has doctors watching closely.
Tag: Vaccination and Immunization
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F.D.A. Sets Aside June for Potential Decisions on Vaccines for Children Under 5
Both Moderna and Pfizer-BioNTech have asked the agency to approve their vaccines for the youngest children.
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Most of Us Have Had Covid
Three in five Americans have been infected. What does this mean for immunity, and the for future of the pandemic?