Cholera cases are on the rise. Here's why
Countries such as Africa, the Caribbean and south Asia have been experiencing cholera outbreaks. But the risks reach far beyond regional boundaries.
Countries such as Africa, the Caribbean and south Asia have been experiencing cholera outbreaks. But the risks reach far beyond regional boundaries.
Thawing permafrost is releasing organic matter that has been frozen for millennia. Viruses stored there are unlikely to harm humans, but the bacteria could
Thawing permafrost is releasing long-frozen organic matter, including reproducible bacteria and viruses. Antimicrobial-resistant organisms could emerge.
Following reports of poliovirus in sewage in London, a polio vaccine booster dose is being offered to children aged 1 to 9 in the UK's capital.
The World Health Organization has declared the current monkeypox epidemic a global health emergency. There have been more than 16,000 confirmed cases so far.
The COVID-19 omicron variant's ability to evade existing immunity is significantly depleted when people get boosted shots as a third coronavirus vaccine dose.