Coronavirus test results from kits of Guangzhou Wondfo Biotech, Zhuhai Livzon Diagnostics show 'wide variation in their sensitivity', says ICMR New Delhi: The Indian Council of Medical Research on Monday directed states to stop using rapid antibody test kits procured from China-based Guangzhou Wondfo Biotech and Zhuhai Livzon Diagnostics after their results showed wide variations.
The statement came several states raised concerns over performance of tests during the exercise that they undertook. Following the complaints, ICMR said it evaluated the kits of the two firms in field conditions. "The results showed wide variation in their sensitivity, despite early promise of good performance for surveillance purposes," it said in a statement. "