A surge of Covid-19 cases this fall has brought reports of new challenges in getting coronavirus tests. But for employers, testing availability and turnaround times do not appear to be the main obstacles.
A survey by Arizona State University and the World Economic Forum, with funding from the Rockefeller Foundation, has found that companies most frequently cited cost and complexity as the biggest deterrents to testing their workers.
The findings, based on responses from 1,141 facilities at over 1,100 companies worldwide from September through late October, are consistent with earlier reports suggesting that many employers have been able to obtain testing relatively quickly if they absorb the expense. In many cases, however, employers have indicated that they feel the benefits do not outweigh the costs.
Over all, 17 percent of the facilities surveyed worldwide said they were testing workers. At least half of those facilities were doing so even for workers without symptoms, and roughly half were testing workers at least once a week.
At facilities that were not testing, only 15 percent said availability was an issue, while 28 percent cited cost, 22 percent cited complexity and 16 percent said it would take too long to receive the results. (Those surveyed could select more than one reason.) The numbers for the United States, where more than 700 of the facilities were located, were similar to the overall results.
Mara Aspinall, a professor at Arizona State’s College of Health Solutions who helped oversee the study, said the results indicated that companies were figuring out how to get testing done if it was essential. For the others, she said, there was simply “a lot of confusion and uncertainty as to how tests work” in the absence of a national testing strategy, and the potential expense loomed large as well.
Ms. Aspinall, who is also an adviser to the Rockefeller Foundation, said she thought workplace testing would become far more widespread next year as employers seek to bring more people back to work.
Raj Behal, the chief quality officer of One Medical, which provides primary health care services to large employers like Google, agreed that the lack of cheap tests had played a major role in limiting uptake.
“In our experience, companies that need to bring their employees in because they are essential or critical workers are regularly screening and testing employees for Covid,” said Dr. Behal, whose company has helped clients arrange testing and was not involved in the survey. “In general, though, cost may be the single most important barrier to widespread testing in the U.S.”
P.C.R. tests, which are generally considered the most accurate but typically require laboratory processing, cost roughly $100 in the United States. Medicare typically covers Covid tests, but many private insurance plans do not.
A spokeswoman for One Medical said the average turnaround time for the tests was two to three days in most markets. “We anticipate an increase in testing demand around the holidays, and have increased our testing capacity accordingly,” the spokeswoman added.
The survey found that companies with 25 workers or fewer were least likely to test, with only 8 percent doing so. About 40 percent of companies with 1,001 to 5,000 workers were testing, as were nearly 60 percent of companies with over 5,000 workers.
Among the biggest companies that didn’t test, cost was not a commonly cited obstacle. Those companies were much more likely to be discouraged by the complexity of testing their large work forces, which one-third cited.
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Words to Know About Testing
Confused by the terms about coronavirus testing? Let us help:
- Antibody: A protein produced by the immune system that can recognize and attach precisely to specific kinds of viruses, bacteria, or other invaders.
- Antibody test/serology test: A test that detects antibodies specific to the coronavirus. Antibodies begin to appear in the blood about a week after the coronavirus has infected the body. Because antibodies take so long to develop, an antibody test can’t reliably diagnose an ongoing infection. But it can identify people who have been exposed to the coronavirus in the past.
- Antigen test: This test detects bits of coronavirus proteins called antigens. Antigen tests are fast, taking as little as five minutes, but are less accurate than tests that detect genetic material from the virus.
- Coronavirus: Any virus that belongs to the Orthocoronavirinae family of viruses. The coronavirus that causes Covid-19 is known as SARS-CoV-2.
- Covid-19: The disease caused by the new coronavirus. The name is short for coronavirus disease 2019.
- Isolation and quarantine: Isolation is the separation of people who know they are sick with a contagious disease from those who are not sick. Quarantine refers to restricting the movement of people who have been exposed to a virus.
- Nasopharyngeal swab: A long, flexible stick, tipped with a soft swab, that is inserted deep into the nose to get samples from the space where the nasal cavity meets the throat. Samples for coronavirus tests can also be collected with swabs that do not go as deep into the nose — sometimes called nasal swabs — or oral or throat swabs.
- Polymerase Chain Reaction (PCR): Scientists use PCR to make millions of copies of genetic material in a sample. Tests that use PCR enable researchers to detect the coronavirus even when it is scarce.
- Viral load: The amount of virus in a person’s body. In people infected by the coronavirus, the viral load may peak before they start to show symptoms, if symptoms appear at all.
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