Commentary
I was trying to avoid writing more stuff on masks, but this is unbelievable. UC Berkeley, that bastion of California higher education, is now requiring masks—both indoors and outdoors, if one is not vaccinated against... influenza! And, as a virologist and vaccinologist, the use of the slang “flu” makes me cringe. There are no “flu” vaccines. There are a variety of vaccines for reducing Influenza A and Influenza B virus infection and disease.
