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

Results by year

Table representation of search results timeline featuring number of search results per year.

Year Number of Results
2022 1
2024 1

Text availability

Article attribute

Article type

Publication date

Search Results

2 results

Results by year

Filters applied: . Clear all
Page 1
Change in covid-19 risk over time following vaccination with CoronaVac: test negative case-control study.
Hitchings MDT, Ranzani OT, Lind ML, Dorion M, D'Agostini TL, de Paula RC, de Paula OFP, de Moura Villela EF, Scaramuzzini Torres MS, de Oliveira SB, Schulz W, Almiron M, Said R, de Oliveira RD, Vieira da Silva P, de Araújo WN, Gorinchteyn JC, Dean NE, Andrews JR, Cummings DAT, Ko AI, Croda J. Hitchings MDT, et al. Among authors: scaramuzzini torres ms. BMJ. 2022 Jun 13;377:e070102. doi: 10.1136/bmj-2022-070102. BMJ. 2022. PMID: 35697361 Free PMC article.
Effectiveness of the fourth dose of COVID-19 vaccines against severe COVID-19 among adults 40 years or older in Brazil: a population-based cohort study.
Lazar Neto F, Hitchings MDT, Amin AB, de França GVA, Lind ML, Scaramuzzini Torres MS, Tsuha DH, de Oliveira RD, Cummings DAT, Dean NE, Andrews JR, Ko AI, Croda J, Ranzani OT. Lazar Neto F, et al. Among authors: scaramuzzini torres ms. Lancet Reg Health Am. 2024 May 3;34:100755. doi: 10.1016/j.lana.2024.100755. eCollection 2024 Jun. Lancet Reg Health Am. 2024. PMID: 38737773 Free PMC article.