In patients with COVID-19, preexisting immunity and Omicron infection were associated with reduced disease severity and upper respiratory symptom presentation.

A new COVID-19 variant named "Nimbus" has been detected in the U.S. and is spreading rapidly. Here's what to know about ...

From a persistent sore throat that feels like razor blades to severe muscle aches, discover some unusual signs of the new ...

COVID-19 variant is quietly making its rounds across the United States, prompting health officials to reiterate the ...

The new COVID-19 variant NB.1.8.1, known as Nimbus, is causing concern due to its subtle symptoms and high transmission rate.

A painful sore throat, often referred to as "razor blade throat", is just one of the symptoms of a new COVID-19 variant. This ...

Reported symptoms of NB.1.8.1 are similar to other COVID-19 strains, but one distinctive complaint is a severe sore throat, ...

COVID-19 variant N.B.1.8.1, or Nimbus, is more contagious than recent past variants and known to cause a particularly painful ...

Multiple news reports have linked the subvariant, NB 1.8.1, to "razor blade throat," in part because of postings on social ...

One in four reported experiencing more frequent coughs, colds, and stomach bugs since infection, while one in five reported ongoing symptoms such as headaches (21.7 per cent), fatigue (20.6 per cent), ...

Key symptoms can help tell apart a Covid infection from hay fever, despite some similarities in how they present. This year, millions of people in the UK have been tormented by the aggravating ...

A new COVID-19 variant, dubbed NB.1.8.1, or Nimbus, is becoming increasingly prevalent in the United States. Have any cases ...