Natural immunity from omicron variant is weak and limited
Without vaccination, infection with the SARS-CoV-2 Omicron variant fails to confer robust immunity against other COVID-19 variants. …
Study in mice suggests that COVID-19 increases risk of developing Parkinson’s disease
New research finds that COVID-19 infection can make the mouse brain more susceptible to a toxin that induces nerve-cell loss seen in Parkinson’s disease. …
Distinct cellular receptor mutations influence COVID-19 disease severity
Distinct genetic variants of the CD16a antibody receptor, found in approximately 15 percent of the population, are associated with severe COVID-19 risk. …
Investigational COVID-19 mucosal vaccine protects against disease and transmission
In animal studies, an investigational COVID-19 vaccine designed to be taken orally not only protects the host but also decreases airborne transmission. …
Researchers discover pathways to severe COVID-19 in children
Researchers have discovered the blood clotting and immune protein pathways that are activated in cases of severe COVID-19 in children …
Air pollution linked to higher risk of COVID-19 in young adults
Observational study shows residential exposure to ambient air pollutants is linked to an elevated COVID-19 risk. …
Wearables can track COVID-19 symptoms, other diseases
Smartwatches can track COVID-19 disease progression by measuring heart rate responses to physical activity and circadian variations. …
Study finds increased risk of serious blood clots up to six months after COVID-19
Observational study finds an increased risk of serious blood clots up to six months after COVID-19 infection. …
Why are people with allergic asthma less susceptible to severe COVID-19?
Researchers shed light on COVID-19 disease progression and why allergic asthma patients are less susceptible to severe disease. …
COVID-19 vaccination of children 5 to 11 years old cut Omicron hospitalizations by 68 percent
A national study reports that vaccination of 5- to 11-year-olds reduced hospitalizations with COVID-19 by more than two-thirds during the omicron surge and protected against severe illness. …
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