Ổ dịch (Outbreak)
5 lượt xem
Cập nhật: 12/10/2026 16:50
An occurrence of disease cases above the expected level.
An outbreak may involve a localized cluster or a wider spread of infection. Investigation aims to identify the causative agent, source, transmission route, and affected population. Microbiological testing, molecular typing, and epidemiological tracing are essential for control.