Author Archives: yun

The World Health Organization and the U.S. Centers for Disease Control and Prevention are tracking a new, highly mutated lineage of the virus that causes COVID-19. Six cases in four countries have been detected since late July. Scientists are keeping an eye on the new lineage, named BA.2.86, because it has 36 mutations that distinguish […]

Abstract Pronounced immune escape by the SARS-CoV-2 Omicron variant has resulted in many individuals possessing hybrid immunity, generated through a combination of vaccination and infection. Concerns have been raised that omicron breakthrough infections in triple-vaccinated individuals result in poor induction of omicron-specific immunity, and that prior SARS-CoV-2 infection is associated with immune dampening. Taking a […]

COVID testing has picked up a new variant called BA.2.86 in several countries.Credit: Spencer Platt/Getty Researchers are racing to determine whether a highly mutated coronavirus variant that has popped up in three continents will be a global concern — or much ado about nothing. Several laboratories detected the variant last week, and it has been […]

Pneumonia due to influenza virus infection is a common cause of hospitalisation among children. In severe cases, patients may experience respiratory failure, septic shock, or even life-threatening conditions [3, 4, 6]. One study reported that > 10,000 children around the world aged ≤ 5 years die from influenza virus-associated pneumonia annually, with most being paediatric patients with influenza […]