Zhong Nanshan , a leader of the high level expert group created to fight the _____ , has again stressed the new coronavirus is different from SARS . New vaccines and ______ are needed to treat it and global efforts are underway to develop them . In Britain , scientists at the Imperial College London say a _____ they've made is undergoing animal testing . They _____ the human clinical trials will not be ready by summer . Meanwhile researchers that a leading US Institute has engineered a possible key ingredient for a vaccine . They hope to begin testing by April . And a group of French scientists are modifying the measles vaccine to work against the _____ . Medical experts in China say they have found some drugs containing active antiviral ingredients which show positive results in treatment .