The 71-year-old patient tested negative for the virus 48 hours after Thai doctors administered the combination, doctor Kriengsak Attipornwanich said during the ministry's daily press briefing.
"The lab result of positive on the coronavirus turned negative in 48 hours," Kriengsak said.
"From being exhausted before, she could sit up in bed 12 hours later.".
The doctors combined the anti-flu drug oseltamivir with lopinavir and ritonavir, anti-virals used to treat HIV, Kriengsak said, adding the ministry was awaiting research results to prove the findings.
So far, eight patients in Thailand have recovered and returned home, while 11 remain in the hospital.
Messages of support saying "Our hearts to Wuhan" in English, Chinese and Thai were plastered on a Bangkok mall popular with tourists.
Anutin said the evacuation would happen Tuesday, and the returnees would be quarantined for 14 days. »