From the Highlights: " Three new countries/territories/areas from the African Region , Region of the Americas , and Eastern Mediterranean Region , have reported cases of COVID-19 [coronavirus disease 2019].  The number of COVID-19 cases surpassed 300,000 globally.  Data reported are based on information received from national authorities by 10:00 AM CET [Central European Time], 23 March 2020.  Diagnostic testing for COVID-19 is critical to tracking the virus, understanding epidemiology, informing case management, and to suppressing transmission. WHO [World Health Organization] has updated the Laboratory Testing Strategy document according to the 4Cs [no cases, first cases, first clusters, and community transmission and spread] transmission scenarios."
Coronavirus Disease 2019 (COVID-19) Situation Report No. 63
World Health Organization
World Health Organization: https://www.who.int/