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.
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.
After previous public health emergencies likes SARS and H1N1, there was renewed investment in pandemic preparedness, but it was not sustained. We cannot make the same mistake after COVID-19.
The implications of the atypical thyroiditis areas, which tend to be asymptomatic, are unclear; persisting SARS-CoV-2-specific memory T cells also observed 8 months after infection.