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Gam-COVID-Vac, EpiVacCorona, and CoviVac effectiveness against lung injury during Delta and Omicron variant surges in St. Petersburg, Russia: a test-negative case-control study.
Barchuk A, Bulina A, Cherkashin M, Berezina N, Rakova T, Kuplevatskaya D, Skougarevskiy D, Okhotin A. Barchuk A, et al. Among authors: bulina a. Respir Res. 2022 Oct 10;23(1):276. doi: 10.1186/s12931-022-02206-3. Respir Res. 2022. PMID: 36217139 Free PMC article. Clinical Trial.
Vaccine effectiveness against referral to hospital after SARS-CoV-2 infection in St. Petersburg, Russia, during the Delta variant surge: a test-negative case-control study.
Barchuk A, Cherkashin M, Bulina A, Berezina N, Rakova T, Kuplevatskaya D, Stanevich O, Skougarevskiy D, Okhotin A. Barchuk A, et al. Among authors: bulina a. BMC Med. 2022 Sep 20;20(1):312. doi: 10.1186/s12916-022-02509-8. BMC Med. 2022. PMID: 36123681 Free PMC article. Clinical Trial.
COVID-19 vaccines effectiveness against symptomatic SARS-CoV-2 during Delta variant surge: a preliminary assessment from a case-control study in St. Petersburg, Russia.
Barchuk A, Bulina A, Cherkashin M, Berezina N, Rakova T, Kuplevatskaya D, Stanevich O, Skougarevskiy D, Okhotin A. Barchuk A, et al. Among authors: bulina a. BMC Public Health. 2022 Sep 22;22(1):1803. doi: 10.1186/s12889-022-14202-9. BMC Public Health. 2022. PMID: 36138385 Free PMC article.