Vaccines
Moderna’s Hoge Sees Risk Vaccines Will Struggle With Omicron
- U.S. health officials signal confidence about existing shots
- Drop by half would probably require ‘reboot’ of existing shots
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Moderna Inc. President Stephen Hoge said there’s a “real risk” that existing Covid-19 vaccines will be less effective against omicron, while U.S. medical adviser Anthony Fauci said the variant’s severity may be limited.