In-depth analysis of disease outbreaks, surveillance methods, and pandemic preparedness.
A breakdown of the Andes virus cluster aboard a Dutch-flagged cruise ship, what makes it different from other hantaviruses, and why the 8-week incubation period matters.
The 71 confirmed human cases of H5N1 avian influenza in 2026 are unprecedented. Here is what virologists are watching for next.
The Bundibugyo virus outbreak in DRC and Uganda is the third caused by this rare strain. With no approved vaccine, what comes next?
A guide to interpreting case counts, CFR, and threat levels — and why the number you see is rarely the whole story.
The 2026 dengue season in the Americas is the worst on record. Climate scientists explain what is driving the surge.