Diseases, Conditions, Syndromes

Rapid Covid tests not as accurate with Omicron: US regulator

Rapid Covid home tests are more likely to give a false negative with the heavily-mutated Omicron variant compared to earlier strains, the US Food and Drug Administration (FDA) said Tuesday.

Medical economics

Study: Vaccine incentives don't work, and may actually backfire

When the COVID-19 vaccine first became available in the United States, demand far exceeded supply. At the height of the vaccination campaign, nearly 2 million people were being fully vaccinated each week. By October 2021, ...

Diseases, Conditions, Syndromes

COVID-19 test results: What you need to know to understand them

Testing has been vital during the pandemic. Negative COVID-19 test results have allowed people the freedom to work and travel, while positive results have been used to isolate infected individuals and protect the wider community.

Diseases, Conditions, Syndromes

Herd immunity: can the UK get there?

Now that Britain and the US are crossing the 50% threshold of their populations vaccinated with the first dose, are they reaching herd immunity and can things return to normal soon?

Diseases, Conditions, Syndromes

How fast could SARS-CoV-2 be detected?

In the past 20 years, humans have suffered several serious epidemics from emerging viruses, such as SARS, swine flu, Ebola, MERS and (most recently) SARS-CoV-2. During each epidemic, an accurate, rapid, and accessible molecular ...

Diseases, Conditions, Syndromes

Why we need to test COVID-19 tests

During the first peak of the coronavirus pandemic, it became apparent that the processing of the standard COVID-19 test using nasal swab samples, while considered a gold standard, was slow, taking over 24 hours to give results ...

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