Pune: Researchers have found two new mutations in coronavirus samples from Amravati and Yavatmal districts of eastern Maharashtra which can escape neutralising antibodies, a senior official said on Thrusday.However, in none of the samples for which genome sequencing was done, the UK, South African or Brazilian strains of the virus were found, he added.Yavatmal and Amravati are among districts which have shown considerable increase in new cases in the last one week. Genome sequencing was done for