OptraLABS received ICMR clearance for its COVID-19 recovery test kits ANI | Updated: Dec 11, 2020 13:12 IST Pune (Maharashtra) [India], December 11 (ANI/NewsVoir): Pune based OptraLABS announced today that it has received approval from ICMR towards its COVID-19 rapid test kits named 'Optra-Shield'. Based on studies conducted at the National Institute of Virology (NIV) Pune, "Optra-Shield," test kits showed 99 per cent specificity and 95 per cent sensitivity to detect immunity post-COVID-19 infection. These kits detect IgG antibodies which are developed a post-COVID-19 infection as a fighting mechanism of the body immune system. Once these antibodies are developed, the person becomes non-contagious and considered safe to intermingle with others.