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

236 results

Filters applied: . Clear all
Results are displayed in a computed author sort order. The Results By Year timeline is not available.
Page 1
Methods to evaluate COVID-19 vaccine effectiveness, with an emphasis on quasi-experimental approaches.
Pescarini JM, Teixeira CSS, Cruz EP, Ortelan N, Pinto PFPS, Ferreira AJF, Alves FJO, Pinto Junior EP, Falcão IR, Rocha ADS, Silva NBD, Ortiz RF, Saavedra RDC, Oliveira VA, Ribeiro-Silva RC, Ichihara MYT, Boaventura V, Barral Netto M, Kerr LRFS, Werneck GL, Barreto ML. Pescarini JM, et al. Among authors: werneck gl. Cien Saude Colet. 2021 Nov;26(11):5599-5614. doi: 10.1590/1413-812320212611.18622021. Epub 2021 Oct 1. Cien Saude Colet. 2021. PMID: 34852093 Free article. Review. English, Portuguese.
Two-dose ChAdOx1 nCoV-19 vaccine protection against COVID-19 hospital admissions and deaths over time: a retrospective, population-based cohort study in Scotland and Brazil.
Katikireddi SV, Cerqueira-Silva T, Vasileiou E, Robertson C, Amele S, Pan J, Taylor B, Boaventura V, Werneck GL, Flores-Ortiz R, Agrawal U, Docherty AB, McCowan C, McMenamin J, Moore E, Ritchie LD, Rudan I, Shah SA, Shi T, Simpson CR, Barreto ML, Oliveira VA, Barral-Netto M, Sheikh A. Katikireddi SV, et al. Among authors: werneck gl. Lancet. 2022 Jan 1;399(10319):25-35. doi: 10.1016/S0140-6736(21)02754-9. Epub 2021 Dec 20. Lancet. 2022. PMID: 34942103 Free PMC article.
Influence of age on the effectiveness and duration of protection of Vaxzevria and CoronaVac vaccines: A population-based study.
Cerqueira-Silva T, Oliveira VA, Boaventura VS, Pescarini JM, Júnior JB, Machado TM, Flores-Ortiz R, Penna GO, Ichihara MY, de Barros JV, Barreto ML, Werneck GL, Barral-Netto M. Cerqueira-Silva T, et al. Among authors: werneck gl. Lancet Reg Health Am. 2022 Feb;6:100154. doi: 10.1016/j.lana.2021.100154. Epub 2021 Dec 22. Lancet Reg Health Am. 2022. PMID: 34957437 Free PMC article.
236 results