The study of food poisoning outbrake investigation on vibrio parahaemolyticus: Sakhrai Sub-district, Sakhrai district, Nongkhai Province during July 31 - August 2, 2019

Abstract

August 1, 2019 Nurse of In-Patient- Department , Sakhrai Hospital told the officer at department of epidemiology about patients who were admitted. Five patients were diarrhea, vomiting, abdominal pain during 04.00 – 06.30 am. They were ate foods from Flea market. We take investigated to confirm diagnosis and epidemics for pathogenesis of patient, time, place, cause and risk factors. To proceed for control and offer the way to appropriately prevention this outbreak. The methodology was descriptive, case control analysis, the environment of food sanitation and laboratory study

The results showed that twenty-one patients no die. Attack rate was 33.33 percent (21/63). Ten of patients were male and 11 were female. The ratio male: female was 1:1.1. Mean of age was 30 years old. (Min = 6 years, max= 65 years). The maximum of signs and symptoms were taken as water 80.95 percent, The secondary were abdominal pain, vomiting, nausea, liquid, taken as a mucous showed 76.19, 52.38, 42.86, 33.33, 23.81, 14.29, and 4.79 percent ordinary. The incubation period at least 3 – 13 hours (mean = 8 hours). Laboratory’s result of rectal swab found Vibrio parahemolyticus pathogen in 5 patients. The characteristic of epidemics was common source. The significant relationships between mussels and food poisoning (OR = 106, 95% Cl = 12.73 – 882.25, P-value < 0.001). The remained of mussels was not enough to confirm for laboratory. Source of mussels was bought from a car of seafood that came from Mahachai Market. These foods were steamed and sold in village market regularly. The important of control and prevention measures was emphasized warning to eat new fresh seafood and cooked. To involve food sanitation for stall who sold in flea market.