Hyderabad (India)

Why Nasal Covid Vaccines May Make Better Boosters

HYDERABAD, India — On the outskirts of this centuries-old Indian city, a world away from its congested roads and cacophony, the gleaming modern laboratories of Bharat Biotech are churning out a Covid vaccine that would be sprayed into the nose rather than injected into the blood. Currently available vaccines produce powerful, long-lasting immunity against severe […]