A study conducted in the U.S. and Mexico shows that the vaccine is 90% effective overall and 100% effective against moderate-to-severe disease.
ACR: Lupus patients can have low immune response to COVID-19 vaccines
Nov 15, 2021
Overall disease activity does not appear to change after vaccination, however.
No elevated risk for stroke seen after COVID-19 bivalent vaccine receipt
Mar 20, 2024
No evidence was seen for an increased risk for stroke in one- to 21-day or 22- to 42-day windows compared with a 43- to 90-day window after the vaccine.
Flu vaccine may protect against adverse events after SARS-CoV-2
Aug 17, 2021
Individuals who had received a flu vaccination had lower risks for sepsis, stroke and deep vein thromboses as well as emergency department and ICU admissions
Vaccine effectiveness up after three COVID-19 vaccine doses
Feb 14, 2022
Vaccine effectiveness was lower during the omicron- versus the delta-predominant period at all time points; it waned with increasing time since vaccination.
REGEN-COV reduces risk for COVID-19 hospitalization, death
Oct 01, 2021
Among outpatients with COVID-19 at high risk, the risk for hospitalization and death was reduced with the monoclonal antibody combo versus placebo.
Rates of COVID-19, severe illness lower with BNT162b2 booster dose
Dec 09, 2021
A second study shows a reduction in the rate of death due to COVID-19 with a booster dose of BNT162b2 (Pfizer–BioNTech).
Vaccine rollout linked to drop in severe COVID-19 in dialysis patients
Feb 28, 2022
And patients on maintenance dialysis who received COVID-19 vaccination had decreasing antibody titers over time.
Vaccination, previous infection protect against COVID-19
Jan 24, 2022
During a period of delta predominance, protection was lower among vaccinated persons without a previous COVID-19 diagnosis.