The genetic sequence of coronaviruses was submitted to the US database two weeks before China's official disclosure, according to documents

JN.1 variant of COVID-19 is not more severe than previous strains, CDC data shows. CDC data suggests J.1 strain is not worse than previous strain. CDC: J.COVID variant J.N. 1 variant of J. 1 no more severe.

SARS-CoV-2, the virus that causes Covid-19, was submitted to a National Institutes of Health database two weeks before China’s official disclosure, documents show. Documents were shared with US lawmakers and released Wednesday by the Chinese government. The genetic sequence of the virus was submitted two weeks prior to its release by China.

The Omicron coronavirus subvariant JN.1 now makes up 44.2% of Covid-19 cases in the United States. The CDC says it's now the leading cause of infections in the US. The subvarant makes up nearly 44% of the cases.

Coronavirus subvariant JN.1 is causing about 20% of new Covid-19 infections in the U.S. It's already dominant in the Northeast, where it is estimated to cause about a third of new infections. It's the fastest-growing strain of the virus, CDC says.

Coronavirus impact spreads to European auto plant and could hit GM truck production. Automakers working to restart manufacturing in China amid the coronavirus outbreak are trying to prevent operations elsewhere from being affected by supply shortages. Automakers trying to keep operations in China from affecting operations elsewhere.

New variant of the COVID-19 virus, JN.1, is responsible for 15% to 29% of U.S. cases as of Dec. 8, CDC says. New variant now comprises up to 30% of US cases: CDC says it's responsible for up to 15% of cases.