Effectiveness of 2-Dose Vaccination with mRNA COVID-19 Vaccines Against COVID-19–Associated Hospitalizations Among Immunocompromised Adults — Nine States, January–September 2021 – CDC Morbidity and Mortality Weekly Report Related: CDC Guidance: Immunocompromised may need a fourth Covid-19 shot.   Commentary on Twitter (thread – click for more) New CDC study of mRNA #vaccination & disease in 89,000 […]

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