Evolving Epidemiology of Reported Giardiasis Cases in the United States, 1995-2016.

ABSTRACT:

Background

Giardiasis is the most common intestinal parasitic disease of humans identified in the United States (US) and an important waterborne disease. In the United States, giardiasis has been variably reportable since 1992 and was made a nationally notifiable disease in 2002. Our objective was to describe the epidemiology of US giardiasis cases from 1995 through 2016 using National Notifiable Diseases Surveillance System data.

Methods

Negative binomial regression models were used to compare incidence rates by age group (0-4, 5-9, 10-19, 20-29, 30-39, 40-49, 50-64, and ≥ 65 years) during 3 time periods (1995-2001, 2002-2010, and 2011-2016).

Results

During 1995-2016, the average number of reported cases was 19 781 per year (range, 14 623-27 778 cases). The annual in

SUBMITTER: Coffey CM 

PROVIDER: S-EPMC9651178 | biostudies-literature | 2021 Mar

REPOSITORIES: biostudies-literature