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The effectiveness of COVID-19 vaccines in Latin America, 2021: a multicenter regional case-control study.
Kahn R, Janusz CB, Castro MC, da Rocha Matos A, Domingues C, Ponmattam J, Rey-Benito G, Toscano CM, Helena de Oliveira L; Regional COVID-19 VE in Adults Study Working Group. Kahn R, et al. Among authors: helena de oliveira l. Lancet Reg Health Am. 2023 Apr;20:100474. doi: 10.1016/j.lana.2023.100474. Epub 2023 Mar 29. Lancet Reg Health Am. 2023. PMID: 37008741 Free PMC article.
Multicountry Analysis of Spectrum of Clinical Manifestations of Children <5 Years of Age Hospitalized with Diarrhea.
Murray J, Soenarto SY, Mulyani NS, Wijesinghe PS, Mpabalwani EM, Simwaka JC, Matapo B, Mwenda JM, Sahakyan G, Grigoryan S, Vanyan A, Khactatryan S, Sanwogou J, Helena de Oliveira L, Rey-Benito G, Kang G, Serhan F, Tate JE, Aliabadi N, Cohen AL; Global Rotavirus Surveillance Network Clinical Presentation Group. Murray J, et al. Among authors: helena de oliveira l. Emerg Infect Dis. 2019 Dec;25(12):2253-2256. doi: 10.3201/eid2512.180712. Emerg Infect Dis. 2019. PMID: 31742521 Free PMC article.
Impact and effectiveness of meningococcal vaccines: a review.
Helena De Oliveira L, Jauregui B, Carvalho AF, Giglio N. Helena De Oliveira L, et al. Rev Panam Salud Publica. 2017 Dec 20;41:e158. doi: 10.26633/RPSP.2017.158. eCollection 2017. Rev Panam Salud Publica. 2017. PMID: 31391840 Free PMC article.