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New Insight Into COVID Vaccine Effects for Immune Vulnerable Patients - Medscape

There is a convincing case to support rolling out booster COVID-19 vaccines for some people with impaired immune systems to help optimise antibodies to SARS-CoV-2, scientists said.

The comments followed results from a study that suggested that a significant proportion of clinically at-risk patients with some immunocompromised or immunosuppressed conditions mount a low, or undetectable, antibody immune response after two doses of a COVID vaccine.