Abstract
686 (22.5%) out of 3047 naval recruits from all parts of Norway showed positive reactions (induration greater than or equal to 2 mm) when tested with the toxoplasmin cutaneous test (TcT). The highest frequency of positive TcT was found in the south-western part of the country (34.7%). The frequency was low in the inland of Southern Norway (13.6%), and especially low in the northern part of the country (9.5%).

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