Persistent symptoms after COVID-19 infection continue to affect millions of people worldwide, even as the number of acute ...

In a recent study posted to the medRxiv* pre-print server, researchers evaluated whether neutralizing immunity elicited against Omicron sub-variant BA.1 in unvaccinated and vaccinated individuals ...

Patients hospitalized with the omicron or delta variants of COVID-19 required similar levels of respiratory support and intensive care, according to a new Johns Hopkins study, indicating that omicron ...

A new UB study conducted at John R. Oishei Children’s Hospital is one of the first to reveal that there were fewer cases of multi-system inflammatory syndrome in children (MIS-C) during the omicron ...

In a recent study posted to the medRxiv* preprint server, researchers estimated the efficacy of two-dose and three-dose regimens of two messenger ribonucleic acid (mRNA) vaccines: Moderna’s mRNA-1273 ...

The risk of developing long COVID is significantly lower following an infection with the omicron variant than after an infection with earlier coronavirus variants. This was the finding of a study by ...

A recent Pfizer or Moderna mRNA-vaccine booster provided good but temporary protection against infection by the SARS-CoV-2 Omicron variant, according to a new study. A recent Pfizer or Moderna ...

The omicron variant of Covid-19 appears less likely than delta to lead to long Covid, according to British researchers. Subscribe to read this story ad-free Get unlimited access to ad-free articles ...

April 7 (Reuters) - Disease caused by the Omicron variant is on average around two days shorter than the Delta variant, a large study of vaccinated Britons who kept a smartphone log of their COVID-19 ...

The omicron variant is more likely than other coronavirus variants to cause upper airway infection (UAI) among children, which puts them at risk of heart attack and other severe complications, even as ...