B cells are part of the immune system's memory. Their memories of previous infections or vaccinations provide the template ...

Persistent Covid infections in immuno-compromised patients can result in new variants which may be more difficult to combat, ...

An immune-compromised man with a year-and-a-half-long COVID infection served as a breeding ground for dozens of coronavirus ...

A Dutch man was infected with the coronavirus for 613 days, researchers from the Amsterdam UMC report. ​​”To the authors' ...

This version of the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2 ... already been present in other existing SARS-CoV-2 variants, such as that darn Delta variant, this B.1.1.529 ...

A Dutch man with the longest case of COVID infection ever recorded suffered from the sickness for a record 613 days, with the ...

1—may lead to more severe disease than other Omicron variants, according to two new ... the possibility of COVID recombining ...

The loss of biodiversity poses a challenge for nature and humans alike. A study led by Ulm University shows that a decline in ...

The 20-month-long infection is the longest known and highlights how prolonged infections enable the pandemic virus to ...

Top pandemic advisers earlier on Monday urged the government to speed up investigations into how coronavirus variants surfaced in the community. Hong Kong has been on higher alert since the first ...

Some people have claimed that these new variants can’t be detected by over-the-counter COVID tests. This claim is false.

Doctors reported the case of a 72-year-old patient in the Netherlands who suffered from the novel coronavirus infection for ...