Confusing Signals From Centre, States On Plasma Therapy, Remdesivir?

While Health Minister Harsh Vardhan has cautioned against "routine use" of plasma therapy and anti-viral drug Remdesivir to treat COVID-19 patients, stating the investigational therapies should be adopted "rationally", but states are continuing to push both therapies, especially in Delhi and Mumbai. We speak to Dr Sudarshan Ballal.