Infectious DiseasesGeneral Principles in Infectious DiseasesAntibioticsNational Antibiotic GuidelinesFever of Unknown Origin: History, Assessment, and Differential DiagnosesForeign Travel History, Assessment, and Differential DiagnosesSepsisImmunisationsTypes of VaccinesImmunisation ScheduleBCG VaccineBacterial InfectionsStaphylococciStreptococciBacillus speciesHaemophilus influenzaeNeisseria speciesClostridia speciesEscherichia coliKlebsiella pneumoniaePseudomonas aeruginosaLeprosyDiphtheriaCat Scratch Disease (Bartonella Infection)Q FeverLyme DiseaseLeptospirosisCholeraBotulismTetanusMethicillin-Resistant Staphylococcus aureusPseudomembranous ColitisListeria monocytogenes and ListeriosisCampylobacterHelicobacter pyloriLegionella pneumophilaMycoplasma pneumoniaeViral InfectionsInfluenzaParainfluenzaRespiratory Syncytial VirusMeaslesMumpsRubellaParvovirus B19Roseola InfantumHerpes Simplex VirusVaricella-Zoster VirusInfectious MononucleosisEpstein-Barr VirusCytomegalovirusRotavirusNorovirusHepatitis AHepatitis BHepatitis CHepatitis DHepatitis EHIVEnterovirusesAdenovirusHuman PapillomavirusYellow FeverDengue FeverFungal InfectionsCandida SpeciesCryptococcusPneumocystis PneumoniaAspergillusDermatophytesProtozoal InfectionsMalariaToxoplasma gondii (Toxoplasmosis)Cryptosporidium (Cryptosporidiosis)Trypanosomiasis and Chagas DiseaseGiardia lamblia (Giardiasis)Trichomonas vaginalis (Trichomoniasis)Entamoeba histolyticaAcanthamoebaHelminthic InfectionsSchistosomiasisThreadwormsCardiovascular InfectionsInfective EndocarditisGastrointestinal InfectionsCauses of GastroenteritisCholeraEnteric Fever (Typhoid Fever)Clostridioides difficileAcute CholecystitisAcute CholangitisPeritonitisDiverticulitisPyogenic Liver AbscessPsoas AbscessAppendicitisRenal MedicineLower Urinary Tract InfectionAcute PyelonephritisAcute ProstatitisAcute Epididymo-OrchitisSexually Transmitted InfectionsBacterial VaginosisVulvovaginal CandidiasisChancroidChlamydia trachomatisLymphogranuloma VenereumGonorrhoeaTrichomonas vaginalis (Trichomoniasis)Pelvic Inflammatory DiseaseSyphilisHIVCondylomata Acuminata (Genital Warts)Genital HerpesHuman PapillomavirusNeurological InfectionsMeningitisEncephalitisBrain AbscessSpinal Epidural AbscessSkin InfectionsAnimal and Human BitesGas GangreneNecrotising FasciitisFolliculitisStaphylococcal Toxic Shock SyndromeStaphylococcal Scalded Skin Syndrome (SSSS)ChickenpoxShinglesCat Scratch DiseaseCellulitisErysipelasFuruncles and CarbunclesImpetigoLudwig’s AnginaFungal Skin and Nail Infections (Tinea)Pityriasis VersicolorParonychiaHead LiceScabiesParvovirus B19Herpes Simplex VirusMolluscum ContagiosumOphthalmic InfectionsBlepharitisEndophthalmitisViral ConjunctivitisHerpes Zoster OphthalmicusBacterial ConjunctivitisOphthalmia NeonatorumKeratitisPeriorbital CellulitisOrbital CellulitisEar, Nose, and Throat InfectionsSore Throat and TonsillitisScarlet FeverPeritonsillar Abscess (Quinsy)Retropharyngeal AbscessCommon ColdCroupAcute SinusitisChronic SinusitisMastoiditisAcute Otitis ExternaNecrotising Otitis ExternaAcute Otitis MediaOtitis Media with EffusionOral InfectionsGingivitisRespiratory InfectionsAcute BronchitisBronchiolitisPneumoniaAtypical PneumoniaAspiration PneumoniaPleural EmpyemaLung AbscessTuberculosisPertussis (Whooping Cough)Musculoskeletal InfectionsSeptic ArthritisOsteomyelitisDiscitisObstetric and Congenital InfectionsTORCH SyndromeChorioamnionitisPuerperal PyrexiaNeonatal SepsisImmunodeficiency and InfectionsHIVNeutropenic Sepsis