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  • Source:

    CBS Evening News
    November 30, 2021

    Researchers, including Columbia University's David Ho, are racing to analyze the new Omicron variant and the strength of the arsenal to fight it as cases spread across the world.

  • Source:

    November 29, 2021

    David Ho, a professor of microbiology and immunology at Columbia, believes Omicron will show a substantial degree of resistance, based on the location of its mutations in the virus's spike protein.

  • Source:

    The New York Times
    November 23, 2021

    Zena Stein, a South African-born epidemiologist whose influential work encompassed the effects of famine on children and the impact of the AIDS crisis on women in Africa, died on Nov. 7. She was 99.

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