A new strain of COVID-19 that was only identified a week ago in the US has prompted the CDC to take the rare step of issuing a formal message that it could evade vaccines or the protection of natural immunity.
Giving IV magnesium for up to 30 weeks reduces cerebral palsy risk in preterm pregnancies, but treatment at 30 to 34 weeks does not affect risk in these children at 2 years of age.
An estimated 3 in every 10 white-tailed deer in the US have had COVID-19, and new research suggests deer populations could be a source of virus mutations that may be passed to humans.