China found meat and seafood in Beijing's wholesale food market contaminated with new coronavirus, low temperature and high humidity may have been contributing factors
Study of Black Lives Matter protests found that wearing face masks outdoors and gathering in crowds do not pose much risk in spreading coronavirus, but some warnings stay
In a 2017 study, researchers found that the steroid drug, which is now called as a life-saving medicine, showed uncertainty to treat one of the COVID-19 symptoms