• NewsYahoo News Video

    How strong is your immunity against Omicron?

    For months, scientists, public health officials, politicians and the general public have debated whether prior SARS-CoV-2 infection — touted as “natural immunity” — offers protection against COVID-19 that is comparable to vaccines. Yahoo News spoke to two experts about natural immunity and vaccine-induced immunity in the time of Omicron. They explain what you can do to maximize your protection against the highly transmissible variant.

  • NewsYahoo News Video

    Omicron subvariant BA.2 is rising. What do we know about it?

    Two years into the COVID-19 pandemic, and just when new cases and hospitalizations in the U.S are on the decline, an Omicron subvariant called BA.2 is gaining significant traction in some parts of the world. Dr. Monica Gandhi, an infectious disease specialist and professor of medicine at the University of California, San Francisco explains what we know about it.

  • NewsYahoo News UK

    Government scientists monitoring new BA.2 variant of Omicron

    The government has confirmed it is investigating the BA.2 variant of Omicron, but due to its specific mutations, it is proving to be harder to track.

    3-min read
  • NewsYahoo News Video

    Why some people in close quarters get COVID-19 — and others don’t

    At this point of the COVID-19 pandemic, with the highly transmissible Omicron variant, it may be an all-too-familiar story: You know of a fully vaccinated household where some people tested positive for COVID — and others in the same household never tested positive at all. How is this possible? Yahoo News Medical Contributor and practicing internist Dr. Lucy McBride explains how people and the virus relate to one another in very different ways depending on various factors.

  • HealthYahoo News Video

    CDC’s Walensky cites study showing Omicron has a 91% lower risk of death than Delta

    During the White House COVID-19 response team meeting on Wednesday, Rochelle Walensky, head of the Centers for Disease Control and Prevention, cited a Kaiser Permanente Southern California study that showed the Omicron variant of COVID-19 has a lower risk of severe illness and death compared with the Delta variant.

  • NewsYahoo News Video

    What we now know about Omicron in 2022: Yahoo News Explains

    A new year is upon us, and with it, more discoveries as scientists race to fully understand potential threats the Omicron variant poses. Dr. Monica Gandhi, infectious disease specialist and professor of medicine at the University of California, San Francisco, sheds light on what is known about Omicron's transmissibility and severity and how current COVID-19 vaccines fare at preventing severe illness from the variant.

  • NewsYahoo News UK

    Fire station 'left without any firefighters' for 24 hours amid Omicron surge

    A fire station in Hampshire was left with no firefighters in the days after Christmas.

    4-min read