Kai KupferschmidtScience’s COVID-19 reporting is supported by the Pulitzer Center and the Heising-Simons Foundation.Scientists have found the first solid evidence that people can be reinfected with the virus that causes COVID-19.
A new study shows a 33-year-old man who was treated at the hospital for a mild case in March harbored the virus again when he was tested at the Hong Kong airport after returning from Europe on 15 August, less than 5 months later.
He had no symptoms this time. Researchers had sequenced the virus, SARS-CoV-2, from the first infection; they did so again after the patient’s second diagnosis and found numerous differences between the two, bolstering the case that the patient had been infected a second time.“This case.