Skip to main page content
U.S. flag

An official website of the United States government

Dot gov

The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you’re on a federal government site.

Https

The site is secure.
The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.

Access keys NCBI Homepage MyNCBI Homepage Main Content Main Navigation

Search Page

Filters

My NCBI Filters

Text availability

Article attribute

Article type

Publication date

Search Results

3 results

Filters applied: . Clear all
Page 1
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.
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.