Abstract
We report a comparative study of the MDCK, Vero, and MRC-5 cell lines in the isolation of the influenza A (IA) virus. We studied 746 samples in which 63 IA viruses were isolated. The MDCK line displayed 100% sensitivity, the Vero line displayed 71.4%, and the MRC-5 displayed 57.1%. The MDCK line showed a statistically significant difference with respect to the Vero line (P = 0.001) and the MRC-5 line (P = 0.001). The quantitative sensitivity analysis showed the MDCK line to be superior to the other lines. It seems that the MDCK line is still one of the most recommendable for the isolation of the IA virus from respiratory samples.
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