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SIRSi compartmental model for COVID-19 pandemic with immunity loss
(2021-01-01)
The coronavirus disease 2019 (Covid-19) outbreak led the world to an unprecedented health and economic crisis. In an attempt to respond to this emergency, researchers worldwide are intensively studying the dynamics of the ...
Estratégias de imunização de carteira de renda fixa no Brasil
(2015-01-23)
Este trabalho visa comparar, estatisticamente, o desempenho de duas estratégias de imunização de carteiras de renda fixa, que são recalibradas periodicamente. A primeira estratégia, duração, considera alterações no nível ...
Characterizing the syphilis epidemic among men who have sex with men in Lima, Peru to identify new treatment and control strategies
(BioMed Central, 2013)
Background: Syphilis is an important sexually transmitted infection (STI) with serious public health consequences. Among men who have sex with men (MSM) in Lima, the prevalence and incidence are extraordinarily high. Current ...
Helicobacter pylori infection & immune thrombocytopenic purpura in children and adolescents: A randomized controlled trial
(Informa Healthcare, 2015-01-01)
Helicobacter pylori and immune thrombocytopenic purpura (ITP) association is not well established in chronic ITP (cITP) in children, although the cure of thrombocytopenia in approximately half of H. pylori eradicated adult ...
Immunization of fixed-income portfolios using an exponential parametric model
(Sociedade Brasileira de Econometria, 2014-11-14)
Litterman e Scheinkman (1991) mostram que mesmo uma carteira de renda fixa duration imunizada (neutra) pode sofrer grandes perdas e, portanto, propõem fazer hedge de carteiras utilizando a análise de componentes principais. ...
A new passive immune strategy based on IgY antibodies as a key element to control neonatal calf diarrhea in dairy farms
(BMC, 2020-07)
Background: Neonatal diarrhea remains one of the main causes of morbi-mortality in dairy calves under artificial rearing. It is often caused by infectious agents of viral, bacterial, or parasitic origin. Cows vaccination ...
Acalculous Cholecystitis caused by Histoplasma capsulatum in a severely immunosuppressed HIV-infected patient
(Journal of Infection in Developing Countries, 2011)
Billiary tract involvement in the course of disseminated histoplasmosis has been rarely reported. Here we present a severely immunosuppressed HIV-infected patient who presented with symptomatic acalculous cholecystitis ...
Age-Related Expansion of Tim-3 Expressing T Cells in Vertically HIV-1 Infected Children
(PUBLIC LIBRARY SCIENCESAN FRANCISCO, 2012)
As perinatally HIV-1-infected children grow into adolescents and young adults, they are increasingly burdened with the long-term consequences of chronic HIV-1 infection, with long-term morbidity due to inadequate immunity. ...