NEW DELHI: The Indian Council of Medical Research on Thursday announced that it has, along with Hyderabad-based Biological E, developed blood serum of horses that contain antibodies against covid-19 after conducting a study which highlighted it as.The bio-medical research agency said that it could be a potential treatment and prevention of covid-19 and an alternative to convalescent plasma therapy, which is blood serum of humans who have recovered from the respiratory disease.“Although, plasma recovered from patients experiencing covid-19 could serve similar purpose, the profile of antibodies, their efficacy and concentration keep varying from one patient to another and therefore make it an unreliable clinical tool for patient management,".