What to know about antibody tests and the timetable for booster shots.
August 23, 2021
Herd immunity may be elusive, but there are still reasons for optimism.
May 10, 2021
The challenge of getting those all-important shots in the arm.
February 28, 2021
Plan a pre-vaccine day of hydration and electrolytes.
February 15, 2021
New variants make the virus a more dangerous opponent.
February 1, 2021
Questions about delaying second shots and whether there are sufficient vaccine supplies.
January 18, 2021