[Analysis on running status of Guizhou Provincial Measles Laboratory Network in 2007]

To evaluate the running status of the Guizhou provincial measles laboratory network in 2007.

To analyze the testing result of measles laboratory network and data of measles Surveillance system (MSS).

1. Serologic surveillance: 1645 suspected measles cases were reported in MSS in 2007, and 1454 measles sera samples were collected, and the collection rate was 88.4%. The measles cases were 915, among 191 were diagnosed by clinic, and 724 were confirmed by laboratory (79.1%). 27 of 28 outbreaks were laboratory diagnosed as measles. The measles IgG of 726 healthy population sera were tested, and the positive rate was 70.3%. and geometric mean titer was 1:492. 6. 2. Viruology surveillance: from 35 throat swab or urine samples collected in 2007, 11 strains of wild measles virus were isolated, all of them were H1a genotype. 3. Laboratory network quality control: the provincial Center for Disease Control and Prevention (CDC) measles laboratory passed the proficiency test, the sera samples recheck and on-site review held by the China CDC National Measles Laboratory with good performance in 2007. Nine prefectures CDC measles laboratories passed the sera proficiency test and on-site review held by the provincial CDC. 215 sera samples were rechecked, among which, 202 result was as same as the provincial laboratory, the accordance rate was 94.0%.

Running status of the whole provincial measles laboratories network were good in 2007, and the good laboratory quality control system was also set up, and they play an important role in measles surveillance.