The emergence of SARS-CoV-2 was first observed when cases of unexplained pneumonia were noted in the city of Wuhan, China. This joint study was conducted over a 28-day period from 14 January to 10 February 2021 in Wuhan. This followed a series of virtual meetings of the WHO international team and the Chinese experts from...

This report outlines a framework for action to reduce ageism including specific recommendations for different actors. It brings together the best available evidence on the nature and magnitude of ageism, its determinants and its impact. The report also outlines what strategies work to prevent and counter ageism, identifies gaps and proposes future lines of research...

Sanitation workers provide an invaluable public service, vital to our daily lives and the environment. This report analyses the problems sanitation workers face – focusing on those emptying pits and tanks and maintaining sewers – and explore good practices around the world.

This report critically examines the evidence related to the occurrence of microplastics in the water cycle (including both tap and bottled drinking-water and its sources), the potential health impacts from microplastic exposure and the removal of microplastics during wastewater and drinking-water treatment.

This report tracks the status of the tobacco epidemic and interventions to combat it, ranging from graphic pack warnings and advertising bans to no smoking areas.