The first global analysis of its kind from the World Health Organization and the International Labour Organization found working more than 55 hours per week increased the risk of stroke and heart disease.
European diplomats have voiced serious concerns about how the World Health Organization has handled sex abuse allegations involving its own staff during an outbreak of Ebola in Congo.
Global vaccine programmes need protection to avoid mass outbreaks of diseases other than COVID-19, the World Health Organization has warned.
Euronews spoke to WHO's Special Envoy on COVID-19 to look back at the key lessons the world has learned in this pandemic year and the road still ahead to beat the virus.
According to an email obtained by the Associated Press, the WHO's anti-coronavirus measures have not been enough to stop the spread of the virus among its staff.
It comes as new restrictions are implemented across Europe, including a fresh lockdown in France.
Consistent efforts to increase air quality over the last 20 years are paying off.