PMC3323155_01
Epidemic curve of cases of severe acute respiratory syndrome by date of onset, November 1, 2002-April 30, 2003, in Guangdong Province, China, showing cases in the community and in healthcare workers.
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November 20 (onset November 27), and the aunt's 50-year-old husband (onset November 30) and 22-year-old daughter (onset December 4) (Figure A1, Cluster A). None of patient l's four children were ill. Subsequent clusters in Foshan included a food handler who infected a family member and two healthcare workers (Figure A1, Cluster B) and a food handler who infected several healthcare workers (Figure A1, Cluster C).