Health-care companies rose, but not by as much as the broad market, as traders rotated into higher risk sectors.

Three doses of the Pfizer and BioNTech Covid-19 vaccine were 80% effective at preventing symptomatic Covid-19 and generated a robust immune response in children ages 6 months to 5 years old, the companies said.

Danish vaccine maker Bavarian Nordic is making more of a smallpox vaccine typically stockpiled in case of biological warfare, as governments seek doses that also offer protection against monkeypox amid an unusual outbreak around the world.


 Write to Rob Curran at rob.curran@dowjones.com 

(END) Dow Jones Newswires

05-23-22 1733ET