The drug showed promising results in an international study involving nearly 2,400 participants, and the U.S. Food and Drug ...

An over-the-counter nasal spray shows promise for preventing COVID-19, a new study found. The new study, published Tuesday in JAMA Internal Medicine, offered further evidence that azelastine may be a ...

New research shows a common nasal spray used for allergies may protect you from COVID-19. The over-the-counter spray is an antihistamine known as azelastine. Researchers say the spray could also ...

A new study led by researchers at National Jewish Health has found that recent infection with the common cold—often caused by rhinoviruses—may offer temporary protection against infection with ...

Long COVID is more prevalent among females, those not meeting PAGs, and those with incomplete vaccination or certain noncommunicable diseases. The study used data from the 2023 BRFSS survey, with 13.6 ...

A single spritz could eventually offer simultaneous protection against several infectious diseases. Researchers at Stanford Medicine have developed a new vaccine that could prevent multiple viruses at ...

DEAR DR. ROACH: My daughter was recently visiting and tested positive for COVID. Since my last COVID vaccine was eight months ago, I searched for how much protection I still had and understood the ...