Mumps(Epidemic parotitis)
Mumps (Epidemic parotitis)
Mumps, Epidemic parotitis Acute respiratory tract infection Non suppurative inflammation of the salivaryglands, chiefly the parotids Accompanied by meningocephalitis,pancreatitis, and orchitis
□ Mumps, Epidemic parotitis □ Acute respiratory tract infection □ Non suppurative inflammation of the salivary glands, chiefly the parotids □ Accompanied by meningocephalitis, pancreatitis, and orchitis
ETIOLOGYMUMPSVIRUSClassification:A RNA virus1Genus:RubulavirusFamily:paramyxoviridaeSerotype: Only one0Location: Saliva, Cerebrospinal fluid口Blood, Urine of patientsCharacteristics of Mump s virus:口High affinitytonerve tissue and glandsResistance: cold-resistant7Rapidlyinactivatebychemicalagentsheatultravioletlight
ETIOLOGY □ Classification: A RNA virus Genus: Rubulavirus Family: paramyxoviridae □ Serotype: Only one □ Location: Saliva, Cerebrospinal fluid Blood, Urine of patients □ Characteristics of Mumps virus: High affinity to nerve tissue and glands □ Resistance: cold-resistant Rapidly inactivate by chemical agents heat ultraviolet light MUMPS V I R U S
EPIDEMIOLOGYInfectious sources:patients(persons withclinical infection)口persons with inapparent infectionDInfective stagefroml-2days before theonset of swellingofthesalivarygland to the complete subside of the swelling
□ Infectious sources: □ patients (persons with clinical infection) □ persons with inapparent infection Infective stage from 1-2 days before the onset of swelling of the salivary gland to the complete subside of the swelling EPIDEMIOLOGY
EPIDEMIOLOGYRoutesof transmissionAn airborne pathogenPerson toperson transmission mainlyby the droplet sprayDirect transmission from the fomitescontaminated by the saliva
□ Routes of transmission □ A n airborne pathogen Person to person transmission mainly by the droplet spray □ Direct transmission from the fomites contaminated by the saliva EPIDEMIOLOGY