Washington, March 30 -- US President Donald Trump said Sunday that the country is stepping up development of treatments for COVID-19 patients, including experiment on antimalarial drug hydroxychloroquine and a blood-related therapy.



Addressing a White House briefing, Trump said that hydroxychloroquine is being administered to 1,100 patients in New York along with Z-Pak, or azithromycin.



"It's very early yet. It only started two days ago. But we will see what happens," he said.



The US Food and Drug Administration (FDA) is also allowing the emergency use of a blood-related therapy called convalescent plasma, as an experimental treatment for seriously ill patients, Trump said.



The therapy involves taking blood plasma from peopl...