With the impending fall flu season and the continued circulation of new COVID-19 variants across the country, attention is once again turning to rapid antigen tests.
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Topic: researchView all posts for the topic: research
Study: Oximeters often overestimate COVID patients’ oxygen levels, delaying care
“These results suggest that although racial and ethnic disparities exist in measurement of oxygen saturation by pulse oximetry, overestimation may increase the risk of hospital readmission regardless of patient race.”
Comments closedTopic: public health measuresView all posts for the topic: public health measures
Lockdowns and face masks ‘unequivocally’ cut spread of Covid, report finds
“When looking at the use of face masks and mask mandates, studies consistently reported the measures were an effective approach to reduce infection. The evidence further indicates higher-quality respirator masks – such as N95 masks – were more effective than surgical-type masks.”
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Scientists develop breath test that rapidly detects COVID-19 virus
Comments closedWith this test, there are no nasal swabs and no waiting 15 minutes for results, as with home tests. A person simply blows into a tube in the device, and an electrochemical biosensor detects whether the virus is there. Results are available in about a minute.
CTV News / The Associated Press
July 29, 2023
Comments closedWashington University in St. Louis
July 10, 2023
Comments closedTopic: rapid testsView all posts for the topic: rapid tests
Study: At-Home Rapid COVID Tests May Miss Many Infections
According to a new study, rapid antigen tests may provide false negatives — suggesting that a person is infection-free, even though other parts of their respiratory tract are teeming with the virus. The researchers found that most people showed a delay of several days between when the virus first appeared in the throat or saliva and when it appeared in the nose. Importantly, 15 of the 17 study participants had high levels of the virus for at least a day prior to getting a positive result.
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Ontario to stop free COVID-19 rapid test program in pharmacies, grocery stores
An Ontario program that distributes free rapid tests for COVID-19 at grocery stores and pharmacies will end after this month.
Comments closedTopic: QuebecView all posts for the topic: Quebec
Les tests de dépistage de la COVID-19 ne seront plus gratuits au Québec
As of Monday, in Quebec, rapid tests will no longer be offered free of charge to everyone in pharmacies. Only people deemed at high risk of complications and citizens who receive free drugs, according to the public pharmacare system, will have free access to these COVID-19 tests.
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