They had given patients oral supplements of vitamin D to reduce nasal inflammation and reverse the loss of the sense of smell the inflammation often causes. "It helped zero of 28 people," she said.

Nasal spray H5N1 avian influenza vaccine developed Date: April 8, 2025 Source: The University of Hong Kong Summary: Scientists have pioneered an influenza virus vector-based nasal spray vaccine ...

March 28 (Reuters) - Milestone Pharmaceuticals (MIST.O), opens new tab said on Friday the U.S. health regulator had declined to approve its nasal spray to treat a type of heart condition and had ...