Wednesday's letter calls on the Boeing to accept its responsibility for the cleanup. Boeing could not immediately be reached for comment but last week said it was still reviewing the agreement.

Re: “Lab animals crucial in fight to develop COVID-19 vaccine” (Page A2, March 15): Thank you so much for publishing Jim Gorman’s article. My 40 years of research with laboratory animals and ...

A group of scientists have urged more research on the controversial theory that the coronavirus leaked from a laboratory, issuing the call in a letter in the medical journal The Lancet on Friday ...