2019
Syphilis associated with recreational drug use, depression and high-risk sexual behaviour in men who have sex with men: a case–control study in China
Wu H, Xiu C, Fu X, Li M, Wang Z, Li X, Wu J, Vermund SH, Hu Y. Syphilis associated with recreational drug use, depression and high-risk sexual behaviour in men who have sex with men: a case–control study in China. Sexually Transmitted Infections 2019, 95: 267-272. PMID: 30842346, PMCID: PMC11093516, DOI: 10.1136/sextrans-2018-053878.Peer-Reviewed Original ResearchConceptsRecreational drug useHigh-risk sexual behaviorCase-control studyDrug useSyphilis infectionToluidine red unheated serum testUnmatched case-control studyRed unheated serum testMultivariable logistic regressionPotential risk factorsMultiple drug useSexual behaviorPrior STIFrequent methamphetamine useSyphilis prevalenceSyphilis testingRisk factorsSerum testHealth workersDepression scoresSelf-administrated questionnaireRecreational drugsLogistic regressionSyphilisMethamphetamine use
2011
Hunting in the rainforest and mayaro virus infection: An emerging alphavirus in Ecuador
Izurieta RO, Macaluso M, Watts DM, Tesh RB, Guerra B, Cruz LM, Galwankar S, Vermund SH. Hunting in the rainforest and mayaro virus infection: An emerging alphavirus in Ecuador. Journal Of Global Infectious Diseases 2011, 3: 317-323. PMID: 22223990, PMCID: PMC3249982, DOI: 10.4103/0974-777x.91049.Peer-Reviewed Original ResearchMayaro virus infectionVirus infectionRisk factorsMayaro virusHumoral immune responsePotential risk factorsCross-sectional studyIgG-specific antibodiesSeroepidemiological methodsImmune responseStudy populationPrevalence ratesBirth cohortInfectionSporadic outbreaksSignificant predictorsVirusAlphavirusesArthropod vectorsEthnic groupsAmazonian nativesPotential presenceSubjectsNative menSystematic evaluation