COVID-19 Patients Showed Faster Improvement After Treatment With Four Drugs

A security official stands guard as an ambulance arrives with a patient to the Infectious Disease Centre of Princess Margaret Hospital in Hong Kong on Jan. 22, 2020. Anthony Kwan/Getty Images

A four-drug regimen helped patients with COVID-19 recover more quickly from the new disease, doctors found.

Researchers in Hong Kong used ritonavir and lopanvir, a combination of drugs typically used to treat HIV, along with the antiviral ribavirin and interferon beta-1b, which helps boost the immune system by providing extra interferons.