Residents celebrate after authorities lifted the quarantine in Dong Cuu village, the last Vietnamese quarantined village affected by the coronavirus disease (COVID-19), outside Hanoi, Vietnam May 14, 2020. REUTERS/Kham

Residents celebrate after authorities lifted the quarantine in Dong Cuu village, the last Vietnamese quarantined village affected by the coronavirus disease (COVID-19), outside Hanoi, Vietnam May 14, 2020. REUTERS/Kham

Police and soldiers remove barriers as the quarantine is lifted in Dong Cuu village, the last Vietnamese village affected by the coronavirus disease (COVID-19), outside Hanoi, Vietnam May 14, 2020. REUTERS/Kham

Police officers remove barriers as the quarantine is lifted in Dong Cuu village, the last Vietnamese village affected by the coronavirus disease (COVID-19), outside Hanoi, Vietnam May 14, 2020. REUTERS/Kham

Residents celebrate after authorities lifted the quarantine in Dong Cuu village, the last Vietnamese quarantined village affected by the coronavirus disease (COVID-19), outside Hanoi, Vietnam May 14, 2020. REUTERS/Kham

Residents celebrate as the police officers leave, after authorities lifted the quarantine in Dong Cuu village, the last Vietnamese quarantined village affected by the coronavirus disease (COVID-19), outside Hanoi, Vietnam May 14, 2020. REUTERS/Kham