Scientists who created easier-to-spread versions of the deadly bird flu said yesterday that they’re temporarily halting more research, as international specialists debate what should happen next. Researchers from leading flu laboratories around the world signed onto the voluntary moratorium, published yesterday in the journals Science and Nature.
Unlimited access to BostonGlobe.com for only 99 cents for the first 4 weeks.Sign up
Are you a home delivery subscriber?
Get FREE access as part of your print subscriptionStart Here
Contact us for help