Articles

Typhoid outbreaks have occurred in Zimbabwe for more than a decade, and drug-resistance is making it harder to treat—but a milestone vaccination campaign offers hope for progress.

The world needs more affordable and accessible COVID-19 vaccines. A new formula made in chicken eggs may be an answer.

Local vaccine studies provide critical evidence to health officials, regulators, and manufacturers alike—but only a handful of sites worldwide are equipped to run them.

Recent outbreaks of Japanese encephalitis in new districts in Bihar, India underscore the importance of widespread immunization coverage and strong surveillance systems.