Well, duh:

“This is great news — the Pfizer vaccine not only provides protection against becoming ill from SARS-CoV-2 but also helps prevent infection, reducing the potential for the virus to be passed on to others,” said Dr. Mike Weekes, an infectious-diseases specialist, who led the study.

Source: Pfizer vaccine can reduce transmission after 1 dose, new study finds – MarketWatch

More bad news for the fear mongering crowd. Must come up with more scary news!

Coldstreams Skeptic