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. 2020 Oct;110(10):1532-1534.
doi: 10.2105/AJPH.2020.305820. Epub 2020 Aug 20.

Outbreak of Measles in a Residential Home for the Intellectually Disabled in Singapore in 2019

Valerie T J Koh  1 , Calvin J Chiew  1 , Sean Wei Xiang Ong  1 , Khine Nandar  1 , Anne Lee  1 , Kelly Foo  1 , Lin Cui  1 , Yi Kai Ng  1 , Rachael Pung  1 , Tau Hong Lee  1 , Zubaidah Said  1 , Raymond Lin  1 , David Chien Lye  1 , Yee-Sin Leo  1 , Vernon Lee  1
Affiliations

Outbreak of Measles in a Residential Home for the Intellectually Disabled in Singapore in 2019

Valerie T J Koh et al. Am J Public Health. 2020 Oct.

Abstract

A measles outbreak involving 19 adults in a home for the intellectually disabled occurred in Singapore in 2019. Further investigation, including a serological survey, was conducted. Mass vaccination and infection control measures were implemented, terminating further secondary transmission. Seropositivity among residents aged 40 to 49 years (90.7%; 95% confidence interval = 78.4%, 96.3%) was lower than among the Singapore adult population (P < .001). This sheltered population, like others previously reported in the literature, had lower measles immunity than the general community, possibly because of limited social interaction. Targeted catch-up vaccination for similarly vulnerable populations should be considered.

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References

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