With the rise of omicron came the fall of long-lasting protection from reinfection with the pandemic coronavirus SARS-CoV-2, according to a study published in Nature. Using population-wide data from ...

A team of researchers investigating the transmission of HIV have discovered that HIV antibodies provide sterilizing immunity by inhibiting the infection of the first cell. The research is published in ...

People vaccinated against COVID-19 after infection may be at risk of reinfection with the virus, study says. Ivan Diaz via Unsplash People infected with the coronavirus before getting their first two ...

New data released Thursday by the Centers for Disease Control and Prevention suggest that the most recent Covid-19 booster offers about 54% percent protection against infection with the virus. A study ...

New research from Imperial College London suggests that infection with the influenza virus may leave people more susceptible ...

Nearly four years into the pandemic, Australia, like many other countries, is still seeing large numbers of COVID cases. Some 860,221 infections were recorded around the country in 2023, while 30,283 ...

High levels of exposure to the virus that causes COVID-19 may reduce or overcome the protection that vaccination and prior infection provides, according to a new study by researchers from Yale ...

Vaccination and infection both provide protective immunity to COVID-19, particularly against severe disease. But gaining immunity through infection is far riskier than vaccination. Posts citing a new ...

A Feb. 16 study in the Lancet medical journal found that, for people who had COVID-19 immunity resulting from infection, protection from severe disease and death remained high for at least 10 months.

Parents know how easily coughs, colds and other infections can move through a household after a child picks up a bug at ...