"Antibiotics do not work against viruses, only bacteria," the WHO said on it’s official website. However,if the patient is hospitalized for the virus, he may accept antibiotics since"bacterial co-infection is possible," the organization added. Up to now, there are no specific medicine for preventing or treating the virus, the WHO said, adding that it is working with partners to help accelerate relating research and development work. "People of all ages" can be infected with the novel coronavirus, elder people and people with pre-existing medical conditions are more like to suffer, the WHO said. The organization advised people to wash hands after contacting with pets, which can help protect them against"various common bacteria that can pass among pets and humans." Chinese health authorities said on Monday that it received reports of 2,829 new confirmed cases of novel coronavirus infection and 57 death on Sunday.