Pfizer’s Omicron-Targeting Covid-19 Vaccines Generate Stronger Immune Response - The Wall Street Journal

One shot that was tested targeted Omicron specifically, while another was modified to work against the strain and the original virus.

Pfizer Inc. and BioNTech SE vaccines modified to target the Omicron variant produced a significantly larger immune response than the companies currently available vaccine in a study, they said. A mo… [+238 chars]

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