19 SARS-CoV-2 mutations in India can evade antibodies, 1 causes reinfection â CSIR study Study suggests that N501Y, the âhighly infectiousâ Covid mutation found in UK, is present in Australia, South Africa, USA, Denmark & Brazil, and advises screening travellers from here. Mohana Basu 28 December, 2020 7:00 pm IST Text Size: A+ New Delhi: At least 19 genetic variants of the SARS-CoV-2 in India have evolved to evade neutralising antibodies that the human immune system creates against the Covid-19 infection, with one of these variants having already caused a confirmed case of reinfection in the country, a study has found. A team from CSIR Institute of Genomics and Integrative Biology (CSIR-IGIB), New Delhi; Academy of Scientific and Innovative Research (AcSIR), CSIR-HRDC, Uttar Pradesh, and Kurnool Medical College in Andhra Pradesh identified 120 âimmune escape variantsâ in SARS-CoV-2 from across the globe.