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How Accurate Are At-Home Covid Tests?

When Will the Delta Surge End?

For Some College Students, Remote Learning Is a Game Changer

Good, but Not Great: Taking Stock of a Big Ten University’s Covid Plan

Vaccinated People May Spread the Virus, Though Rarely, C.D.C. Reports

Musical Chairs? Swapping Seats Could Reduce Orchestra Aerosols.

Musical Chairs? Swapping Seats Could Reduce Orchestra Aerosols.

How to Reopen Offices Safely

C.D.C. Advisers Endorse Pfizer Vaccine for Children Ages 12 to 15

Why It Pays to Think Outside the Box on Coronavirus Tests

Why It Pays to Think Outside the Box on Coronavirus Tests

Three Feet or Six? Distancing Guideline for Schools Stirs Debate

A new study suggests 3 feet, not 6 feet, is sufficient distance for school students, with mask-wearing and other safety measures kept in place.

Americans Must Tighten Up, or Double Up, Their Masks, C.D.C. Says

Cruise Ships May Set Sail on Sunday, but Only With Crew

Schoolchildren Seem Unlikely to Fuel Coronavirus Surges, Scientists Say

A University Had a Great Coronavirus Plan, but Students Partied On

Children May Carry Coronavirus at High Levels, Study Finds

School Closures in the Spring Saved Lives, Study Asserts

C.D.C. Calls on Schools to Reopen, Downplaying Health Risks