Post-COVID Viral Transmission Rare, Even With Positive Test
FRIDAY, April 23, 2021 (HealthDay Information) — Remoted NBA gamers who recovered from COVID-19 however nonetheless examined optimistic for the virus did not infect others after leaving isolation, a brand new examine finds.
That somebody who has had COVID can infect others has been a persistent worry, however these findings from the skilled basketball league counsel that many who get better can return to contact with others with out spreading the virus, researchers say.
“COVID-19 reinfection is feasible, particularly now with new variants, and each optimistic check ought to be taken critically,” mentioned lead researcher Christina Mack of IQVIA, Actual World Options in Durham, N.C.
This 2020 examine, nevertheless, confirmed that delicate exams akin to RT-PCR might proceed to yield a optimistic consequence after individuals have recovered from COVID. Within the NBA campus setting, nevertheless, these of us weren’t infectious, Mack mentioned.
To finish the 2019-20 season, the NBA arrange a “bubble” in Orlando, Fla. — a closed campus ruled by scientific protocols to protect towards COVID-19.
Greater than 3,500 individuals lived on the campus and had been topic to its protocols. All had every day RT-PCR exams. Some had recovered from a earlier COVID an infection.
“These recovered people weren’t sick and weren’t noticed to be infectious to others, however had been as a substitute shedding virus particles at a low degree left over from their earlier an infection,” Mack mentioned.
“We noticed that people might check optimistic as much as 118 days after onset of an infection, and that once more, many of those people had examined adverse on many of the days surrounding their optimistic check or exams,” she mentioned.
Amongst individuals, 1% had persistent virus, most had been youthful than 30 and male. Antibodies had been present in 92% of those persistent instances and all had been asymptomatic. These individuals had been monitored, and there was no transmission of the virus to others, the researchers reported.
Dr. Robert Glatter, an emergency doctor at Lenox Hill Hospital in New York Metropolis, wasn’t a part of the examine however reviewed the findings.
“The outcomes of the examine help the premise that asymptomatic people who’ve met [U.S. Centers for Disease Control and Prevention] standards for discontinuation of isolation, however who’ve persistently optimistic RT-PCR check outcomes, don’t seem like infectious to others,” he mentioned.