Scientists find the cause of US delta variant surge
When the delta variant of SARS-CoV-2 hit the United States in summer 2021, it led to a larger-than-expected surge in cases, hospitalizations and deaths.
Scientists...
Vaccination could reduce the risk of ‘long COVID’
Scientists from Washington University in St. Louis found that vaccinated people who experience a breakthrough case of COVID-19 are at risk for developing long-haul...
These pre-existing health conditions double or triple your COVID-19 death risk
Scientists from Penn State found that certain pre-existing conditions may double or triple mortality risk for COVID-19.
They confirmed that heart disease, high blood pressure,...
Sensory loss happens in nearly 100% of active COVID infections
Scientists from Ohio State University found that the loss of smell and taste with a COVID-19 infection during the delta surge was a prevalent...
Scientists find how to predict dominant COVID-19 variants
Scientists from MIT, Harvard, and elsewhere have developed a computer model that can analyze millions of SARS-CoV-2 genomes and predict which viral variants will...
Nearly 1 in 3 older people gets new health problems after COVID-19 infection
Scientists from Optum Labs and elsewhere found that almost a third (32 of every 100) of older adults infected with COVID-19 in 2020 developed...
Air pollution linked to more severe COVID-19
Scientists from the University of California San Diego found that some common air pollutants, such as ground-level ozone, are associated with more severe outcomes...
Vaccination could reduce long COVID symptoms, shows study
Graham was a healthy 34-year-old until he developed COVID in July 2020.
Along with his wife and children, he had a fever, a cough, breathlessness,...
Long COVID may harm vaccinated people, too
Scientists from Washington University in St. Louis found that even vaccinated people with mild breakthrough COVID-19 infections can experience debilitating, lingering symptoms that affect...
Long COVID could affect people 15 months after initial infection
Scientists from Northwestern Medicine found many non-hospitalized COVID-19 "long-haulers" continued to experience symptoms such as brain fog, numbness and tingling, headache, dizziness, blurred vision,...