China News Service, Beijing, June 27th (Reporter Du Yan) Researcher Wang Liping of the Chinese Center for Disease Control and Prevention said at a press conference held today that mosquitoes and flies do not have the biological basis for spreading the new coronavirus. At the same time, according to the epidemiological evidence currently available, there are no reports of human infection of new coronary pneumonia caused by vectors such as mosquitoes and flies. New coronavirus is mainly spread through direct contact with infected persons and droplets.