New research shows the virus can have devastating effects on the immune system that persist much longer than the illness itself.
Tag: Viruses
Two Strains of Polio Are Gone, but the End of the Disease Is Still Far Off
Only polio virus Type 1 persists, and only in Pakistan and Afghanistan. But now mutant vaccine viruses are paralyzing some unvaccinated children.
An H.I.V. Cure: Answers to 4 Key Questions
Translating the latest success against the AIDS virus into a practical treatment will take years — if it happens at all. Here are answers to some of the most pressing questions raised by the news.
Scientists Single Out a Suspect in Starfish Carnage: Warming Oceans
A new study sheds light on a huge die-off of starfish along the Pacific Coast from Mexico to Alaska.
Global Health: Why Don’t We Have Vaccines Against Everything?
Money is just the obvious obstacle. A few diseases, like H.I.V., so far have outwitted both the immune system and scientists.