A male-led campaign in Lesotho seeks to break the patriarchal norms that say childhood vaccination is a woman’s job – and is seeding a potentially lifesaving shift.

If you get sick with norovirus it won’t be pleasant, but will usually pass in a couple of days.

Previous infection was highly protective against reinfection with alpha, beta and delta variants, but less so against omicron BA.1.

Still endemic to neighbouring Afghanistan, polio was suddenly resurging in next-door Tajikistan. Uzbekistan’s health system needed to act fast, or risk the futures of its children.

New data suggests that mosquitoes have been able to move away from the equator and into higher elevations, spelling trouble for the spread of infectious disease.

Antibiotics are a cornerstone of modern medicine, but resistance is a big challenge – and it’s possibly being exacerbated by the COVID pandemic.

Physicians say they hope the needle-free jab will fuel booster demand, helping squash transmission of the pandemic virus.

Rosemary Mukui Nzunza, the head of the Expanded Programme on Immunization (EPI) at the Centre for Virus Research, the Kenya Medical Research Institute, shares her story of pursuing a career in science.

As bird flu has started to show up in mammals, concerns continue that the virus might mutate to spread amongst people. If that happens, we’d need a vaccine, fast – here’s where we are so far.

Throughout 2022 COVAX helped lower-income governments to roll out jabs and launched an initiative to help those furthest behind improve. So which countries made the biggest strides in coverage? The answer may be surprising.

Mexican physicist Ana María Cetto says scientists must not remain “spectators” while publishers profit.

Even after the immediate crisis has eased, the Turkey-Syria earthquake is likely to have a long-term impact on survivors’ health.