alemam sana
May 18, 2020
It can take days for each death to be recorded in official statistics. “Nowcasting” estimates the actual occurrence of deaths, and the true peak of the […]
May 18, 2020
On 31 December 2019, WHO was informed of a cluster of cases of pneumonia of unknown cause detected in Wuhan City, Hubei Province of China. Chinese […]
May 18, 2020
There is a simple but crucial number at the heart of understanding the threat posed by the coronavirus. It is guiding governments around the world on […]
May 16, 2020
Step outside your door without a face mask in Hong Kong, Seoul or Tokyo, and you may well get a disapproving look. In recent weeks, many […]