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  • Updated

MONDAY, Jan. 24, 2022 (HealthDay News) -- For health care workers who received a priming dose of the Ad26.COV2.S vaccine, Ad26.COV2.S and mRNA boosters are immunogenic, with the strongest responses after boosting with an mRNA-based vaccine, according to a study published online Jan. 19 in the New England Journal of Medicine.

FRIDAY, Jan. 21, 2022 (HealthDay News) -- Vaccine effectiveness against symptomatic COVID-19 decreases by 20 weeks after the second dose of BNT162b2 or CHAdOx1-S, but limited waning is seen against COVID-19-related hospitalization and death, according to a study published online Jan. 12 in the New England Journal of Medicine.

  • Updated

THURSDAY, Jan. 20, 2022 (HealthDay News) -- Recommendations have been updated for use of the recombinant zoster vaccine (RZV) for prevention of herpes zoster and related complications among immunocompromised adults aged 19 years and older; the recommendations are available in the Jan. 21 issue of the U.S. Centers for Disease Control and Prevention Morbidity and Mortality Weekly Report.