Common-Source Outbreak of Hepatitis A in an Indian Himalayan Mountain Camp

Background: Hepatitis A is an emerging public health problem worldwide, with alerts issued in developed countries, although it remains under-reported, under-diagnosed, and under-investigated the developing world. Prolonged epidemics can occur due to person-to-person transmission. The ongoing outbreak of hepatitis reported United States one its largest-ever outbreaks disease. emergency for was declared Florida, over 2000 cases across several regions States, year 2019. Methods: investigation carried out on 30 travelers Indian Himalayan mountain camp. Clinical features were correlated laboratory parameters establishing diagnosis by standard case definition. Line listing epidemic curve plotted corroborate variables. Clinicodemographic, clinical, laboratory, variables descriptively analyzed. Results: Most patients young male within age range 20 - years. most common clinical among case-patients anorexia vomiting. revealed a peak 15 from June 22 July 5, Liver function tests showed mild derangement all case-patients. All required hospitalization, mean duration hospital stay as 11.86 ± 2.53 days. fully recovered no fatalities. Conclusions: through consumption untreated stream/river water upstream contamination human/animal excrements. Strengthening surveillance systems, traveler education, vaccination, intersectoral coordination safe supply necessary measure.