H5N1: Do we need to worry about the latest bird flu outbreaks? | The BMJ https://www.bmj.com/content/380/bmj.p401
The first known human cases were reported in China and Hong Kong in 1997, where transmission from animals to humans led to 18 people being infected, of whom six died. Since then 19 countries have reported more than 860 H5N1 human infections to the World Health Organization from 2003 to 2022. Of these, 53% have resulted in death.