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

332 results

Filters applied: . Clear all
Results are displayed in a computed author sort order. The Results By Year timeline is not available.
Page 1
Effectiveness of ChAdOx1 vaccine in older adults during SARS-CoV-2 Gamma variant circulation in São Paulo.
Hitchings MDT, Ranzani OT, Dorion M, D'Agostini TL, de Paula RC, de Paula OFP, de Moura Villela EF, Torres MSS, de Oliveira SB, Schulz W, Almiron M, Said R, de Oliveira RD, Silva PV, de Araújo WN, Gorinchteyn JC, Andrews JR, Cummings DAT, Ko AI, Croda J. Hitchings MDT, et al. Among authors: ko ai. Nat Commun. 2021 Oct 28;12(1):6220. doi: 10.1038/s41467-021-26459-6. Nat Commun. 2021. PMID: 34711813 Free PMC article.
The terminal portion of leptospiral immunoglobulin-like protein LigA confers protective immunity against lethal infection in the hamster model of leptospirosis.
Silva EF, Medeiros MA, McBride AJ, Matsunaga J, Esteves GS, Ramos JG, Santos CS, Croda J, Homma A, Dellagostin OA, Haake DA, Reis MG, Ko AI. Silva EF, et al. Among authors: ko ai. Vaccine. 2007 Aug 14;25(33):6277-86. doi: 10.1016/j.vaccine.2007.05.053. Epub 2007 Jun 14. Vaccine. 2007. PMID: 17629368 Free PMC article.
Active and latent tuberculosis in Brazilian correctional facilities: a cross-sectional study.
Carbone Ada S, Paião DS, Sgarbi RV, Lemos EF, Cazanti RF, Ota MM, Junior AL, Bampi JV, Elias VP, Simionatto S, Motta-Castro AR, Pompílio MA, de Oliveira SM, Ko AI, Andrews JR, Croda J. Carbone Ada S, et al. Among authors: ko ai. BMC Infect Dis. 2015 Jan 22;15:24. doi: 10.1186/s12879-015-0764-8. BMC Infect Dis. 2015. PMID: 25608746 Free PMC article.
Prisons as reservoir for community transmission of tuberculosis, Brazil.
Sacchi FP, Praça RM, Tatara MB, Simonsen V, Ferrazoli L, Croda MG, Suffys PN, Ko AI, Andrews JR, Croda J. Sacchi FP, et al. Among authors: ko ai. Emerg Infect Dis. 2015 Mar;21(3):452-5. doi: 10.3201/eid2103.140896. Emerg Infect Dis. 2015. PMID: 25642998 Free PMC article.
332 results