Novavax COVID Vaccine Provides Little Protection Against Infection: Study

Novavax's vaccine provided little protection against COVID-19 infection, according to a new study.

Two weeks after the second dose of the two-dose primary series, the effectiveness against infection was just 31 percent, researchers in Italy estimated.

The estimated effectiveness waned over time, fitting the pattern seen with many COVID-19 vaccines.

When factoring in the time since vaccination, people started from zero to 29 days after a second dose with 41 percent protection against infection. That protection dipped to 39 percent between 30 and 59 days after vaccination, and to 21...