Drug-free nasal spray could protect against COVID and flu, Brigham and Women’s study says

BOSTON — A new study found a new drug-free nasal spray may protect against respiratory infections like COVID and the flu, according to Brigham and Women’s Hospital. “The COVID pandemic showed us what respiratory pathogens can do to humanity in a very short time,” said Jeffrey Karp, co-senior author of the study and chair in Anesthesiology at Brigham and Women’s Hospital. “That threat hasn’t ...