Science

Covid-19 Testing Is in Short Supply. Should You Still Get a Test?


What is a conscientious person who already wears a mask and maintains social distance to do?

Yes, said R. Alta Charo, a professor of law and bioethics at the University of Wisconsin-Madison.

“One of the most important things to keep in mind when discussing public health is the fact that this is fundamentally a community issue, not merely an individual health concern,” she said. “We are all in this together. What I do affects everyone around me, and what they do affects me.”

If public health experts want people to be tested, they should comply, especially if the goal is to gather critical information about how many people are infected at a given point, Professor Charo said.

Epidemiologists can use the data to determine how fast the virus is spreading and which measures are working, she said.

Taking a test, like wearing a mask, shows “a desire to be a part of the solution,” said Dr. K. C. Rondello, an epidemiologist at Adelphi University in Garden City, N.Y.

The virus has been difficult to control in large part because many infected people without symptoms have unknowingly spread it, he said.

More testing will help identify these hidden cases, Dr. Rondello said.

But Candace L. Upton, a professor of philosophy at the University of Denver, said people should not feel duty bound to get a test. It can even be argued that it is morally wrong to go in for a test if you have no symptoms and are not at a high risk, she said.

“Until there is no longer a shortage of test kits, it is morally unjustified to test patients for Covid-19 solely for the purpose of collecting data,” Professor Upton said. “Because of the deficit, labs shouldn’t be offering them to people who are just curious.”

The priority should remain testing only those with symptoms or compromised immune systems, and essential workers and older people, she said.

Professor Upton added that testing should be done selectively even in locations where tests are readily available and where results can be delivered quickly.

“The whole system is unfair,” she said. “And so to take advantage of surpluses in certain places in the market is to add to the injustice to people who didn’t have availability in the first place.”

The national failure to coordinate testing efforts shouldn’t cause people with no symptoms to feel conflicted about being tested for the coronavirus, said Dr. Andrew Diamond, chief medical officer at One Medical in San Francisco, a membership-based primary care practice with offices around the country.

“If there is a way for you to get tested that does not clearly and directly impair someone who is a priority, then you should get tested for sure,” he said.

Molly Wallace, 24, who grew up on Martha’s Vineyard, was tested after she moved back to the island from Boston in March.

She was furloughed from her job as a medical assistant and began volunteering at a testing site, Test MV, at Martha’s Vineyard Regional High School, where she went to school.

Ms. Wallace said that she had never had coronavirus symptoms but that she had still felt obligated to be tested. “I don’t want to be the person to bring Covid here,” she said.

All residents and visitors to the island are encouraged to be tested at Test MV, where volunteers distribute free kits of self-administered nasal swabs, said Ms. Wallace, who is now the site’s outreach coordinator.

People typically get their results within 72 hours, or more quickly if they test positive for the virus, Ms. Wallace said. That is a stark contrast to states like New York and Arizona, where lines for tests have sometimes stretched around blocks and the turnaround time for results has been days, if not weeks.

Wearing a mask should feel obligatory, Dr. Diamond said, but taking a test should not.

If tests were widely available and turnaround times for results were much faster, people would have a stronger sense of obligation to get tested, he said.

“Under the current circumstance, I would say it’s much more important to continue to do what you’re doing,” Dr. Diamond said. That is, wear a mask, keep six feet away from people and stay home as much as possible, he said.

Dr. Diamond added, “The behavior is really the thing that’s going to make the biggest difference.”

Remy Tumin contributed reporting.



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