Mayo Clinic researchers reported a strong hint that blood plasma from COVID-19 survivors may help.<br />The plasma of recovered patients may help other patients recover, reports CNN.<br />However, it’s not completely proven and some experts worry.<br />Amid the clamor for treatment, many experts believe we may not get a clear answer.<br />More than 64,000 patients in the U.S. have been given convalescent plasma.<br />This is a century-old approach to fend off flu and measles before vaccines.<br />It’s a go-to tactic when new diseases come along but it is not always effective.
