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Why A Covid Negative Test Does Not Mean A Thanksgiving Segura



With many preparing to head home for Thanksgiving, COVID-19 testing sites across the country are reporting long lines and hours-long wait times. But testing negative isn’t a surefire way to ensure a virus-free Thanksgiving.

Health experts warn that a negative test may cause more harm than good when people begin relying on them as a guarantee for indicating virus levels.

“There’s a false sense of security because what the testing is telling you is at that point, is that when you had the test, you were either COVID negative or COVID positive,” Neysa Ernst, a nurse manager at Johns Hopkins Hospital’s biocontainment unit, told Newsweek. “It’s not like I got the flu shot, now I’m not going to have the flu.”

Dr. Roy Gulick, chief of infectious diseases at Weill Cornell Medicine and NewYork-Presbyterian, agreed that coronavirus tests can mislead people into thinking that it is safe to gather with their families next weekend.

“If you want to be completely safe that you have not acquired the infection and couldn’t transmit it to another person, 14 days have to go by,” Gulick said.

People line up for COVID-19 tests at Judiciary Square in Washington, D.C., on November 18. Neysa Ernst of Johns Hopkins Hospital says that even short trips, like shopping for cranberry sauce and stuffing, could cause re-exposure.
Mandel Ngan/AFP

While some may think it will be safe if everyone attending a Thanksgiving gathering tests negative, Ernst urged people to reconsider.

“This mentality of ‘as long as everyone gets tested, they’re safe’ is also a false sense of security,” she said. “There’s asymptomatic spread. People don’t even have to know they had the virus. They take their temperature that morning, they’re fine, they go to Thanksgiving gathering and someone else gets infected.”

“We know of all the places people pick up COVID, indoor dining in restaurants has been the highest risk, so you could extrapolate that to a large indoor gathering for Thanksgiving dinner,” Gulick said. “It really does raise concern about what we usually do.”

Ernst also pointed to the already overwhelmed health care systems facing an onslaught of coronavirus hospitalizations.

“The Midwest was relatively unaffected in the first surge, but everyday I get tweets from hospitals in Midwest saying, ‘We’re full. We have no ICU capacity,'” she said. “We really need to change our quickly if we want to have any hope of this not becoming even more of raging wildfire than it already is.”

Ernst is concerned that these hospitals will face even greater fallout after the Thanksgiving weekend, if people continue to gather.

“Hospitals are going to look like they did back in March or April where elective procedures are canceled,” she said.

“There’s not an unlimited pool of health care workers. There’s not an unlimited pool of hospital beds,” she added. “If you have health care workers that start to contract COVID, then you’re not going to have a health care provider to take care of that patient and that’s going to get even worse.”

Gulick is hopeful that this may be the only Thanksgiving that families and friends will have to cancel gatherings in efforts to prevent an outbreak.

“It may be that this is the only Thanksgiving that we need to change what we do to a major extent,” he said. “If the vaccine is rolled out later this month or into December and next year, then hopefully the pandemic can come under control and next Thanksgiving will be a different story.”

“Let’s be careful and respectful around our families. We all have family members that are at high risk for severe COVID, either because of their age or because of underlying conditions. This is not a year you want to pass the virus to those family members. People should take every precaution this year not to do that,” he added.

Update 18/11/20 5:32 p.m. This story was updated to include more information about Roy Gulick’s affiliation.



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