Gilead Sciences is assessing whether its experimental Ebola treatment could be used to treat coronavirus infection.<br />China put millions of people on lockdown on Thursday in two cities at the epicentre of a coronavirus outbreak.<br />According to Reuters, the coronavirus has killed 18 people and infected more than 630.<br />Authorities around the world are working to prevent a global pandemic.<br />The U.S. National Institute of Allergy and Infectious Diseases is working with Gilead.