Omicron subvariants pose a new threat to people with immune deficiencies

Omicron subvariants pose a new threat to people with immune deficiencies (nbcnews.com)

New versions of the omicron virus show resistance to the antibody drugs many need for extra protection against Covid.

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People with compromised immune systems face a new winter of discontent as the ever-mutating omicron virus threatens to outrun the preventive monoclonal antibody cocktail that hundreds of thousands of them have relied upon for extra protection against Covid.

Troubling recent reports reveal the emergence of new omicron subvariants that not only evade AstraZeneca’s Evusheld, the antibody drug authorized to prevent Covid infection, but also the sole antibody drug that has retained effectiveness as treatment for Covid, Eli Lilly’s bebtelovimab.

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