Placental contractions may occur in 6 in 10 healthy pregnancies
Peer-Reviewed Publication
Updates every hour. Last Updated: 19-May-2026 22:16 ET (20-May-2026 02:16 GMT/UTC)
Scientists at La Jolla Institute for Immunology (LJI) have discovered that the influenza vaccine FluMist can stimulate immunity in the upper airways of adults. This is the first time researchers have tracked how immune cells in the upper airways respond to an intranasal vaccine (given via a spray in the nose). The new study gives scientists a guide for measuring the effectiveness of new intranasal vaccines against RSV, COVID-19, and other respiratory diseases.