Pertussis outbreak investigation of Mekdela district, South Wollo zone, Amhara region, North-West Ethiopia.

ABSTRACT:

Background

Pertussis is a highly contagious respiratory illness caused by Bordetella pertussis. It is one of the most common vaccine-preventable bacterial infections that affects all susceptible individuals, regardless of age. Investigation was done to verify the existence of an outbreak and to identify associated risk factors contributed for the occurrence of an outbreak in Tork and Warkaye villages of Mekdela district.

Methods

Unmatched community based case control and descriptive cross sectional investigation were conducted with one to two ratios. We used structured questionnaire to collect data from cases and controls.

Results

A total of 215 cases and eight deaths were identified with an overall attack rate of 1.3 per 1000 population. The mean age of the cases was

SUBMITTER: Alamaw SD 

PROVIDER: S-EPMC5568300 | biostudies-literature | 2017 Aug

REPOSITORIES: biostudies-literature