Abstract:In matched specimens of tears and serum from trachoma patients, antibodies were measured against six TRIC antigens. Antibodies were found in the serum of 78% and in the tears of 59% of Tunisian children aged 6 to 9, suffering from severe trachoma. Serum or tear antibodies were found in only 6% of Navajo Indian children aged 7 to 12 with mild trachoma. Although 48% of Navajo students aged 13 to 20 with mild trachoma had antibodies in serum, antibodies in tears were exceedingly rare. Of Samoan adults living in S… Show more
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