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COVID-19: bivalent vaccine less effective against Omicron infection

Miriam Davis, PhD | Clinical Summary | 09 January 2023

One of the first studies to evaluate the effectiveness of the bivalent vaccine.

Takeaway

The bivalent mRNA vaccines are only about 30% effective against SARS-CoV-2 infection at a time when the Omicron BA.4/BA.5 lineages were the dominant strains, according to a retrospective cohort study of health care workers posted on the pre-peer review server medRxiv .

Why this matters

The bivalent mRNA vaccines (made by...

HIV/Infectious Diseases

HPV and Cervical Cancer

Obesity and Weight Management

Pain Management

Sleep Disorders

Social Determinants of Health

Wound Management

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