Top US scientist Anthony Fauci said Tuesday that while it would take weeks to judge the severity of the new COVID-19 variant Omicron, early indications suggested it was not worse than prior strains, and possibly milder.

The US reports its first case of the Omicron variant in California.

Top US infectious disease official Dr. Anthony Fauci has called on Americans to prepare to fight the spread of the new COVID-19 variant Omicron, but says it is too soon to implement lockdowns.

The widest divide in COVID-19 vaccination rates in the US isn’t between the rich and poor Americans or old and young, it’s between Republicans and Democrats, says a new poll.

US top infectious diseases expert Anthony Fauci has warned about “breakthrough infections” among those vaccinated for the Covid-19.

Covid-19 deaths and hospitalizations will not go down in the winter, top infectious diseases expert Anthony Fauci suggests.

The US leading infectious diseases expert says the deaths of some 100,000 people by December is “predictable but preventable,” further promoting a booster shot for Americans’ vaccinated eight months ago.