Abstract
Microsporidial Keratoconjunctivitis Outbreak among Athletes from Hong Kong Who Visited Singapore, 2012
Highlights
The outbreak reported in May 2012 affected 34 (41%) of 82 rugby players from Hong Kong who had participated in a rugby tournament in Singapore during April 21–22, 2012
Heavy rainfall on playing fields was reported on April 21, when all the players from Hong Kong participated in the games and were exposed to soil and muddy water
We identified the following as preventive factors for keratoconjunctivitis: individual eye washing by bottled or tap water, bottled water (RR 0.44, 95% CI 0.25–0.76) and tap water (RR 0.50, 95% CI 0.27–0.92)
Summary
The outbreak reported in May 2012 affected 34 (41%) of 82 rugby players from Hong Kong who had participated in a rugby tournament in Singapore during April 21–22, 2012. Onset of the reported 34 cases ranged from April 26 through May 22, peaking on May 7 (Figure). The distribution of onset of cases over time indicates a point-source outbreak and reflects a wide range of incubation periods.
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