Unless you are an identical twin, you probably aren't often mistaken for someone else. Likewise, our own sense of self as distinct from all other humans is deeply ingrained since early childhood.
In a new study, components of the immune system known as autoantibodies, implicated as central players in a range of serious autoimmune diseases, have also been found in healthy individuals.
With a federal mask mandate for travelers now lifted, health professionals are advising “one-way-maskers” – those who always mask up in public – to take additional precautions.
End of emergency declaration means hospitals are no longer required to report surveillance data to the state, making it harder for researchers to track the virus.