https://www.sciencemag.org/news/2020/02/labs-scramble-spot-hidden-coronavirus-infections [sciencemag org]

Trying to cast a wider diagnostic net for #COVID-19 ( #2019-nCoV ) infections. Belief is that many, many mild cases are not being diagnosed, leading to the 2% fatality rate statistic. It is thought that once they get a better look at the number of infections, the fatality rate will be far lower than 2%.