Abstract:
:Tri-County Health Department investigated an outbreak of cryptosporidiosis linked to a community swimming pool. A cohort study was conducted in 37 persons who were invited to the pool party; 12 (57%) of 21 attendees had primary cryptosporidiosis infection. Risk factors for illness included swimming, getting water in mouth, and swallowing water. The pool met chlorination guidelines and used UV light irradiation, a supplemental disinfection technology that inactivates Cryptosporidium. A follow-up survey of the cohort was completed 7-8 weeks after the pool party; four (25%) of 16 non-attendees had secondary cryptosporidiosis infection. The median duration of illness, including patients with recurring symptoms, was 26 days. Clinical response rate to nitazoxanide, a therapeutic agent, was 67%. This study is unique because it describes a cryptosporidiosis outbreak from a well-maintained community swimming pool using supplemental disinfection. It also reports information on disease burden and treatment response.
journal_name
Epidemiol Infectjournal_title
Epidemiology and infectionauthors
Boehmer TK,Alden NB,Ghosh TS,Vogt RLdoi
10.1017/S0950268809002696subject
Has Abstractpub_date
2009-11-01 00:00:00pages
1651-4issue
11eissn
0950-2688issn
1469-4409pii
S0950268809002696journal_volume
137pub_type
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