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Has China faced only a herald wave of SARS-CoV-2?

The attack rate of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) calculated by mathematical models, from estimates of the basic reproduction number, R0, of 2–3, suggests that 50–60% of the population should eventually be infected because the population seems to be entirely naive to the new virus.1 The observed attack rate on board the Diamond Princess cruise ship remained slightly below 20% (705 of 3711 passengers and crew members became infected).1 It is of upmost importance to know whether the SARS-CoV-2 outbreak in China is subsiding, as local authorities and the entire international community might wish. With 80 026 COVID-19 cases officially reported from China as of March 2, 2020,2 the proportion of the population affected remains far from 50%, or even 20%, of China's 1·4 billion people. Has China just experienced a herald wave, to use terminology borrowed from those who study tsunamis, and is the big wave still to come?

2019-nCoV: Infectious virus can be isolated from nose, throat swabs of patients with mild symptoms

"Laboratory testing by Charité - Universitätsmedizin Berlin, the Bundeswehr Institute of Microbiology and Munich Clinic Schwabing has revealed that infectious virus can be isolated from nose and throat swabs even where these have been obtained from patients with mild symptoms. The research groups have therefore come to the conclusion that even persons with mild symptoms are capable of transmitting the virus."

Health for some: death, disease and disparity in a globalizing era

By R Labonte, T Schrecker, AS Gupta. These vignettes show how recent, rapid changes in our global economy can imperil the health of millions. The first describes a real event. 1 The other three are composites, like those used in the World Bank's World Development Report 1995 (World Bank 1995), but in …