global health

Rotavirus explained: how a wheel-shaped virus causes severe infant diarrhea, how its NSP4 toxin works, and how oral vaccines changed the toll.

Norway and Switzerland have the most nurses per capita — over 17 per 1,000 people. The world faces a shortfall of 13 million healthcare workers by 2035. The Philippines trains the world's most export nurses. Sub-Saharan Africa has less than 1 nurse per 1,000 people in many countries.

The US has the highest rate of depression and anxiety in OECD surveys. Australia and New Zealand lead in mental health spending per capita. Only 1 in 3 people with mental illness globally receive treatment. The mental health treatment gap costs the global economy $1 trillion per year in lost productivity.