2016
Quantifying Transmission of Clostridium difficile within and outside Healthcare Settings
Durham DP, Olsen MA, Dubberke ER, Galvani AP, Townsend JP. Quantifying Transmission of Clostridium difficile within and outside Healthcare Settings. Emerging Infectious Diseases 2016, 22: 608-616. PMID: 26982504, PMCID: PMC4806959, DOI: 10.3201/eid2204.150455.Peer-Reviewed Original ResearchConceptsClostridium difficile infectionAsymptomatic carriersLong-term care facility settingLong-term care facility residentsHospital-onset Clostridium difficile infectionCare facility residentsEffect of hospitalCommunity-based transmissionCommunity sourcesAsymptomatic patientsCDI incidenceDifficile infectionFacility residentsPatientsControl interventionsDifficile prevalenceC. difficileClostridium difficileHealthcare settingsNational databaseQuantifying transmissionTransmission routesHospitalDifficileControl measures
2014
Cellular Superspreaders: An Epidemiological Perspective on HIV Infection inside the Body
Talbert-Slagle K, Atkins KE, Yan KK, Khurana E, Gerstein M, Bradley EH, Berg D, Galvani AP, Townsend JP. Cellular Superspreaders: An Epidemiological Perspective on HIV Infection inside the Body. PLOS Pathogens 2014, 10: e1004092. PMID: 24811311, PMCID: PMC4014458, DOI: 10.1371/journal.ppat.1004092.Peer-Reviewed Reviews, Practice Guidelines, Standards, and Consensus Statements
2011
Retrospective evidence for a biological cost of vancomycin resistance determinants in the absence of glycopeptide selective pressures
Johnsen P, Townsend J, Bøhn T, Simonsen G, Sundsfjord A, Nielsen K. Retrospective evidence for a biological cost of vancomycin resistance determinants in the absence of glycopeptide selective pressures. Journal Of Antimicrobial Chemotherapy 2011, 66: 608-610. PMID: 21217128, PMCID: PMC3037156, DOI: 10.1093/jac/dkq512.Peer-Reviewed Original ResearchConceptsPopulation genetic modelsRelative fitness differencesStrong selectionBacterial fitnessFitness differencesFitness costsSelection coefficientsSelective pressureGlycopeptide-resistant Enterococcus faeciumResistance determinantsBiological fitness costBiological costGenetic modelsFarm environmentGlycopeptide resistance