Léa Márcia Melo da Costa

ORCID: 0000-0003-0607-8506
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About
Contact & Profiles
Research Areas
  • Leprosy Research and Treatment
  • Tuberculosis Research and Epidemiology
  • SARS-CoV-2 and COVID-19 Research
  • COVID-19 epidemiological studies
  • Neonatal Respiratory Health Research
  • Multiple Myeloma Research and Treatments
  • SARS-CoV-2 detection and testing
  • Viral Infections and Outbreaks Research
  • Congenital Ear and Nasal Anomalies
  • Migration, Health and Trauma
  • Chronic Lymphocytic Leukemia Research
  • Health, Nursing, Elderly Care
  • Pharmaceutical studies and practices
  • Global Maternal and Child Health
  • Parasites and Host Interactions

Secretaria da Saúde
2019-2020

Universidade Estadual do Maranhão
2012

To estimate the seroprevalence of SARS-CoV-2 in state Maranhão, Brazil.A population-based household survey was performed, from July 27, 2020 to August 8, 2020. The estimates considered clustering, stratification and non-response. Qualitative detection IgM IgG antibodies performed a fully-automated Elecsys® Anti-SARS-CoV-2 electrochemiluminescence immunoassay on Cobas® e601 analyzer (Roche Diagnostics).In total, 3,156 individuals were interviewed. Seroprevalence total against 40.4% (95%CI...

10.11606/s1518-8787.2020054003278 article EN cc-by Revista de Saúde Pública 2020-12-12

Leprosy remains a public health problem in Brazil with new case incidence exceeding World Health Organization (WHO) goals endemic clusters throughout the country. Migration can facilitate movement of disease between and non-endemic areas, has been considered possible factor continued leprosy Brazil. A study was conducted to investigate migration as risk for leprosy. The had three aims: (1) examine past five year leprosy, (2) describe compare geographic temporal patterns among 5-year migrants...

10.1371/journal.pntd.0002422 article EN cc-by PLoS neglected tropical diseases 2013-09-05

Summary Background Few population-based studies on the prevalence of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) have been performed to date, and most them used lateral flow immunoassays with finger-prick, which may yield false-negative results thus underestimate true infection rate. Methods A household survey was in State Maranhão, Brazil, from 27 July 2020 8 August estimate seroprevalence SARS-CoV-2 using a serum testing electrochemiluminescence immunoassay. three-stage...

10.1101/2020.08.28.20180463 preprint EN cc-by-nc-nd medRxiv (Cold Spring Harbor Laboratory) 2020-09-01

In Brazil, leprosy is endemic and concentrated in high-risk clusters. Internal migration common the country may influence transmission hamper control efforts. We performed a cross-sectional study with two separate analyses evaluating factors associated Brazil’s Northeast: one among individuals newly diagnosed other clinically unapparent population no symptoms of for comparison. included 394 391 from population. Of those leprosy, 258 (65.5%) were birth migrants, 105 (26.6%) past five-year 43...

10.1155/2013/495076 article EN cc-by Journal of Tropical Medicine 2013-01-01
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