THIRUVANANTHAPURAM : Indian Council of Medical Research (ICMR) Director General Dr Balram Bhargava has said interim results of the ongoing clinical trials indicated that the indigenous Covid-19 vaccines would be effective against the mutated virus strains reported from the United Kingdom, South Africa and Brazil.A paper on Covaxin's neutralisation potential against the UK strain has been accepted for publication, he said here on Thursday while addressing an international webinar "Kerala Health: Making the SDG A Reality,"organised by the Department of Health and Family Welfare, Government of Kerala.Also Read | Turnout modest for second covid shotIn the case of the variants from South Africa and Brazil, efforts were on to isolate the mutated.