A systematic review and meta-analysis finds that the definition of severe acute respiratory infection (SARI) used by the ...

Third in a series of articles on COVID-19 and its effects on the gut, this article will explore “Long COVID” (also called ...

ME/CFS is a neurological condition characterized by malaise. Diagnosis requires ruling out other systemic illnesses.

In addition to learning this fundamental knowledge of Hawaiian letters and proper pronunciation, viewers continue to build a strong foundation of the Hawaiian language before we move on. ʻŌlelo ...

Donald Trump ordered new limitations on a form of biological research his administration says caused the Covid-19 pandemic ...

Despite the established link between COVID-19 and vascular endothelial dysfunction, the underlying mechanisms remain poorly understood. Our study provides the direct evidence of ...

Stage 2 pancreatic cancer includes stages 2A and 2B. Stage 2A is when the cancer tumor has grown to over 4 centimeters (cm). Stage 2B is when it has spread from the pancreas to up to three nearby ...

Creative Commons (CC): This is a Creative Commons license. Attribution (BY): Credit must be given to the creator. The 2019 pandemic, caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV ...

It’s that time of year: a thick, oppressive heat blankets everything, people huddle inside air-conditioned homes, offices, shops and cafes for respite—and COVID is surging again. Levels of SARS-CoV-2, ...

State Key Laboratory of Virology, Wuhan Institute of Virology, Center for Biosafety Mega-Science, Chinese Academy of Sciences, Wuhan 430071, People’s Republic of China University of Chinese Academy of ...

Introduction: Reinfections are increasingly becoming a feature in the epidemiology of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection. However, accurately defining reinfection ...