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Rapid Antigen Tests

All articles tagged with #rapid antigen tests

health1 year ago

Navigating Negative COVID-19 Test Results: What to Do When You're Sure You Have the Virus

Rapid antigen tests for Covid-19 may appear negative even when individuals are sure they have the virus, due to changes in how our bodies respond to the coronavirus. The immune system's faster recognition of the virus can lead to early symptoms and a suppressed viral load, making it harder to detect with rapid tests. Negative results may indicate low risk of spreading the virus, but individuals with symptoms should consider seeking treatment even without a positive test, as the virus may be flourishing in other parts of the body.

via The Star Online|
#covid-19#health#immune-system
health2 years ago

Persistent Infectiousness in Children: Study Finds 40% Remain Contagious Post-Symptom Resolution

A study conducted in Toronto during the Omicron surge found that 40% of children with COVID-19 were still infectious on the day after their symptoms resolved. The study also revealed that rapid antigen tests (RATs) were often negative early in the course of illness and cannot be relied upon to exclude infection. The findings suggest the need for infection prevention and control interventions for up to 10 days post-symptom onset to reduce transmission risk, especially around vulnerable or immunocompromised populations.

via University of Minnesota Twin Cities|
#children#covid-19#health
health2 years ago

Timing home-tests for COVID-19 based on evolving SARS-CoV-2 loads and symptom onset

A study conducted in Georgia found that the peak viral loads of SARS-CoV-2 occur on the fourth or fifth day of symptoms, while the peak viral loads of influenza A occur on the second day of symptoms. This has implications for the timing of rapid antigen tests for COVID-19 and flu. The study suggests that the relationship between viral load and symptom onset is different in a highly immune population compared to earlier in the pandemic, highlighting the need for updated testing practices. In other news, the US Department of Health and Human Services has awarded up to $104 million for the development of diagnostic platforms to combat antibiotic-resistant bacteria, and the FDA has released finalized food safety guidance for sprout producers, aiming to reduce the risk of foodborne illness outbreaks associated with sprouts.

via University of Minnesota Twin Cities|
#covid-19#diagnostic-platforms#health