NANCY LAPID  THE following is a roundup of some of the latest scientific studies on the novel coronavirus and efforts to find treatments and vaccines for COVID-19, the illness caused by the virus. COVID-19 can be transmitted via lung transplant The coronavirus can linger in the lungs even when swab tests of the back of the nose and throat are negative, doctors reported after unknowingly transplanting infected lungs into a patient who later died of COVID-19. University of Michigan surgeons obtained the lungs from a deceased donor who had tested negative for the virus and had reportedly never been exposed…