Heymann David L, Shindo Nahoko
Infectious Disease Epidemiology, London School of Hygiene & Tropical Medicine, London WC1E 7HT, UK.
World Health Organization, Geneva, Switzerland.
Lancet. 2020 Feb 22;395(10224):542-545. doi: 10.1016/S0140-6736(20)30374-3. Epub 2020 Feb 13.