Half-Dose of COVID-19 Booster Just as Effective as a Full Dose: Study

The study also found fewer side-effects from a half-dose compared to a full dose.
Half-Dose of COVID-19 Booster Just as Effective as a Full Dose: Study
Wachiwit/Shutterstock
Jessie Zhang
Updated:
0:00

Reducing the dose of a Pfizer COVID-19 booster vaccine can elicit a comparable immune response in adults compared to a full dose with fewer side effects, new research has found.

Led by the Murdoch Institute and the National Centre for Communicable Diseases in Mongolia, the study is the first to assess and compare widely used COVID-19 vaccines in low- and middle-income countries.