SENSEX
NIFTY
GOLD
USD/INR

Weather

image 41    C

Top News News

The Hindu

Top News / The Hindu

details

Landmark study offers new insights into what protects against dengue

Developing a universally effective vaccine has proven difficult thanks to the complex immune mechanisms involved. In DENV cases, the initial immunity after first infection paradoxically increases the risk of severe disease, rather than conferring protection, when a person is infected a second time with a different serotype of the virus

15 Jun 2026 3:14 pm