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. 2011 Jun 9;6(6):e20593. doi: 10.1371/journal.pone.0020593

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Sypsa et al.

This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are properly credited.

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All samples (15,494 samples tested positive out of a total of 37,960 samples) and according to age group (number testing positive/total tested: 706/2865, 4431/7719, 1966/4194, 2442/6996, 996/3145, 380/2779 for the age groups 0–4, 5–19, 20–29, 30–49, 50–64, and 65+ years, respectively).