The effectiveness of primary series CoronaVac vaccine in preventing COVID‐19 illness: A prospective cohort study among healthcare workers in Azerbaijan, May–November 2021

Comparing real-life effectiveness of various COVID-19 vaccine regimens during the delta variant-dominant pandemic: a test-negative case-control study

(2022) Paskorn Sritipsukho et al.   Emerging Microbes & Infections

Factors associated with early uptake of COVID‐19 vaccination among healthcare workers in Azerbaijan, 2021

(2022) Jason Doran et al.   Influenza and Other Respiratory Viruses

Waning COVID-19 Vaccine Effectiveness for BNT162b2 and CoronaVac in Malaysia: An Observational Study

(2022) Jing Lian Suah et al.   INTERNATIONAL JOURNAL OF INFECTIOUS DISEASES

Waning effectiveness of CoronaVac in real life: A retrospective cohort study in health care workers

(2022) Gunay Can et al.   VACCINE

Effectiveness of adenovirus type 5 vectored and inactivated COVID-19 vaccines against symptomatic COVID-19, COVID-19 pneumonia, and severe COVID-19 caused by the B.1.617.2 (Delta) variant: Evidence from an outbreak in Yunnan, China, 2021

(2022) Chao Ma et al.   VACCINE

A Systematic Review of Coronavirus Disease 2019 Vaccine Efficacy and Effectiveness Against Severe Acute Respiratory Syndrome Coronavirus 2 Infection and Disease

(2022) Melissa M Higdon et al.   Open Forum Infectious Diseases

Effectiveness of an inactivated Covid-19 vaccine with homologous and heterologous boosters against Omicron in Brazil

(2022) Otavio T. Ranzani et al.   Nature Communications

Effectiveness of BNT162b2 and CoronaVac vaccinations against mortality and severe complications after SARS-CoV-2 Omicron BA.2 infection: a case–control study

(2022) Vincent Ka Chun Yan et al.   Emerging Microbes & Infections

Early epidemiological investigations: World Health Organization UNITY protocols provide a standardized and timely international investigation framework during the COVID‐19 pandemic

(2021) Isabel Bergeri et al.   Influenza and Other Respiratory Viruses

One Year of COVID-19 Vaccines

(2021) Amanda C. Cohn et al.   JAMA-JOURNAL OF THE AMERICAN MEDICAL ASSOCIATION

Safety and Efficacy of the BNT162b2 mRNA Covid-19 Vaccine

(2020) Fernando P. Polack et al.   NEW ENGLAND JOURNAL OF MEDICINE