The immune system’s first encounter with a virus or vaccine establishes a “starting template” that shapes its response to new ...

Immune system T-cell responses remain broadly robust against the omicron variant of coronavirus, according to researchers. In a study published in the journal Viruses, a team from the Hong Kong ...

Please provide your email address to receive an email when new articles are posted on . Omicron has taxed the country’s health care system, causing more COVID-19 cases, ED visits and hospitalizations ...

The Omicron (B.1.1.529) variant of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) was detected in South Africa in November 2021. The World Health Organization (WHO) declared Omicron as a ...

It's a worrisome convergence: falling antibody levels and a new variant. Scientists have warned that a coronavirus variant like omicron, which appears able to dodge some protective antibodies ...

As COVID-19 transmission rates reach new highs, Colorado health care leaders are seeing the impact of the highly contagious omicron variant in northern Colorado and across the state. Though omicron ...

Jan. 11—The omicron variant is storming through the state, bringing with it characteristics that both are encouraging and discouraging in a seemingly endless fight against the coronavirus pandemic.

With the omicron variant tearing through parts of the Northeast, health officials Tuesday said it won’t be long until it makes up the vast majority of new COVID-19 cases in the Berkshires — if it ...