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 ...

A winter wave of COVID infections is cresting as 2025 begins, one that started to swell before Christmas cookies were left out for Santa Claus and Hanukkah menorahs and Kwanzaa kinaras were lit.

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 ...

The COVID-19 pandemic was five years ago but the ... likely continuing to be descendants of Omicron and we expect vaccine and infection-derived immunity to be protecting most people from the ...

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 ...

A spike in flu cases in NY offered clues on when the season may end, underscoring it's not too late to get a flu shot.

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 ...

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.

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 ...

Objectives During the COVID-19 pandemic, designated rehabilitation centres were established in the province of Québec, where strict sociosanitary measures such as isolation and mandatory personal ...