Psychological Impacts of COVID-19 During the First Nationwide Lockdown in Vietnam: Web-Based, Cross-Sectional Survey Study

Khanh Ngoc Cong Duong   ^{1 *} , MSc ;   Tien Nguyen Le Bao   ^{2 *} , MD, PhD ;   Phuong Thi Lan Nguyen   ^{3 *} , BSc ;   Thanh Vo Van   ^{2, 4} , MD ;   Toi Phung Lam   ^{1, 5} , MD ;   Anh Pham Gia   ⁶ , MD ;   Luerat Anuratpanich   ³ , PhD ;   Bay Vo Van   ⁷ , PhD

¹ Mahidol University Health Technology Assessment (MUHTA) Graduate Program, Mahidol University, Bangkok, Thailand

² Institute of Orthopaedics and Trauma Surgery, Viet Duc Hospital, Hanoi, Vietnam

³ Social Economics and Administrative Pharmacy Program, Department of Pharmacy, Faculty of Pharmacy, Mahidol University, Bangkok, Thailand

⁴ Department of Surgery, Hanoi Medical University, Hanoi, Vietnam

⁵ Health Strategy and Policy Institute, Ministry of Health, Hanoi, Vietnam

⁶ Oncology Department, Viet Duc Hospital, Hanoi, Vietnam

⁷ Department of Pharmacy, Thong Nhat Hospital, Ho Chi Minh City, Vietnam

*these authors contributed equally