U.S. sociologist Scott Feld wrote, "Your friends have more friends than you do." Feld's so-called friendship paradox states ...

The reproduction number R is often used as an indicator to predict how quickly an infectious disease will spread. Empa researchers have developed a ...

The U.S. is seeing a "quad-demic" as cases of COVID-19, flu, RSV and norovirus spread at the same time. Experts said this is ...

Dr. Carla Garcia Carreno, Children's Medical Center Plano director of infection prevention and control, is already seeing upticks in RSV, COVID and flu in her area, she told CBS News. And a late ...

The team also crunched the numbers on the assumption that an outbreak of the novel coronavirus occurred on a 120-day cycle. They found the infection curve again resembled the one actually seen ...

Nearly 85% of people with long COVID had experienced multiple SARS-CoV-2 infections. Other factors that increased the risk were hypertension, more severe infection and being unvaccinated.

That’s an unexpected change from the recent Covid-19 respite of October and November, particularly in the Midwest, where there are nearly two times more infections than in the rest of the U.S ...

Old Age, High NWR, and PCT may Predict Mortality in Hemodialysis Patients with COVID-19 suggests a new study published in the ...

Unlike in the early years of COVID-19, high immunization levels, both from vaccination and previous infection, have helped dramatically reduce disease spread. Simon Clarke, an associate professor ...

The development of long COVID was measured using a self-reported symptom-based questionnaire and scoring guidelines six months after initial infection. Medical researchers at the University of New ...