• Updated

"After testing negative for COVID-19 on Monday during her regular testing cadence, the First Lady began to develop cold-like symptoms late in the evening. She tested negative again on a rapid antigen test, but a PCR test came back positive," said Elizabeth Alexander, her communications director.

Dr. Anthony Fauci, who is 81, has mild symptoms and has been boosted twice, the National Institute of Allergy and Infectious Diseases says.