WHO declares coronavirus outbreak a global public health emergency
The virus that began in China has now been reported in 18 other countries and caused 170 deaths
![people buying face masks in Manila](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2020/01/013020_jl_coronavirus_feat.jpg?fit=1028%2C579&ssl=1)
People line up to buy protective face masks at a store in Manila, Philippines, as officials confirm the country’s first case of the novel coronavirus that has prompted the WHO to declare a public health emergency.
Aaron Favila/AP Photo