Methods A retrospective cohort study of 335 people in 124 families and with at least one laboratory confirmed COVID-19 case was conducted from 28 February to 27 March 2020, in Beijing, China. The ...

As respiratory illnesses like COVID-19, influenza, and Mycoplasma pneumonia continue to spread, the need for s ...

Two new Omicron subvariants are gaining ground in the U.S. as some people report experiencing respiratory symptoms like ...

Research shows RSV leads to high hospitalization rates in adults, emphasizing the importance of enhanced surveillance and ...

A contagious new COVID-19 variant called NB.1.8.1, aka "Nimbus," is now dominant in the United States, CDC data show. What to know about symptoms and vaccines.

Learn about the new COVID-19 variant NB.1.8.1, its spread, symptoms, and how to protect yourself from infection and severe ...

Since the emergence of Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2), understanding the mechanisms underlying ...

SARS-CoV-2 is a positive-sense single-stranded RNA virus. It is contagious in humans and is the cause of the coronavirus disease 2019 (COVID-19). Latest Research and Reviews ...

We first measured the stability of SARS-CoV-2 at different temperatures. SARS-CoV-2 in virus transport medium (final concentration ∼6·8 log unit of 50% tissue culture infectious dose [TCID 50] per mL) ...

The virus killed at least 20 million people, wiped at least $10 trillion from the global economy and upended billions of ...

Read the latest medical research on the prevention, management, and treatment of COVID-19 and the SARS-CoV-2 virus. This section also covers earlier related diseases, including SARS.

An expert group from the World Health Organization failed to find a definitive answer to the COVID-19 pandemic’s origins in ...