WASHINGTON—President Trump tested negative for Covid-19 on consecutive days, White House physician Sean Conley said in a memo released Monday as Mr. Trump traveled to Florida for his first campaign rally since being treated for the virus.
Dr. Conley said tests and other measurements “have informed our medical team’s assessment that the president is not infectious to others.” The memo didn’t specify when Mr. Trump was tested.
Mr. Trump was tested using
’ BinaxNOW Covid-19 Ag Card, the memo said. The U.S. Food and Drug Administration has granted emergency-use authorization to Abbott Laboratories for a $5 rapid-response Covid-19 antigen test that is roughly the size of a credit card.
Infectious-disease experts have cautioned against relying too much on results from rapid tests, especially early during an infection, because of sometimes unreliable results.
“It is important to note that this test was not used in isolation for the determination