A 25-year-old man becomes first in the U.S. to contract coronavirus twice, with second infection ‘more severe’

Dr. Sonia Macieiewski (R) and Dr. Nita Patel, Director of Antibody discovery and Vaccine development, look at a sample of a respiratory virus at Novavax labs in Rockville, Maryland on March 20, 2020, one of the labs developing a vaccine for the coronavirus, COVID-19.
Andrew Caballero-Reynolds | AFP | Getty Images
A 25-year-old man in the U.S. state of Nevada has contracted the coronavirus on two separate occasions, a study in the Lancet Infectious Diseases journal showed, with the patient becoming seriously ill following the second infection.
It is the first confirmed case of a U.S. patient becoming re-infected with Covid-19, and the fifth known case reported worldwide.
The resident of Washoe County, who had no known immune disorders or history of significant underlying conditions, required hospital treatment on testing positive for Covid-19 for the second time.
He has …continued .
[Source: CNBC News]