Transmission of SARS-CoV-2 Delta Variant Among Vaccinated Healthcare Workers, Vietnam by Nguyen Van Vinh Chau, Nghiem My Ngoc, Lam Anh Nguyet, Vo Minh Quang, Nguyen Thi Han Ny, Dao Bach Khoa, Nguyen Thanh Phong, Le Mau Toan, Nguyen Thi Thu Hong, Nguyen Thi Kim Tuyen, Voong Vinh Phat, Le Nguyen Truc Nhu, Nguyen Huynh Thanh Truc, Bui Thi Ton That, Huynh Phuong Thao, Tran Nguyen Phuong Thao, Vo Trong Vuong, Tran Thi Thanh Tam, Ngo Tan Tai, Ho The Bao, Huynh Thi Kim Nhung, Nguyen Thi Ngoc Minh, Nguyen Thi My Tien, Nguy Cam Huy, Marc Choisy, Dinh Nguyen Huy Man, Dinh Thi Bich Ty, Nguyen To Anh, Le Thi Tam Uyen, Tran Nguyen Hoang Tu, Lam Minh Yen, Nguyen Thanh Dung, Le Manh Hung, Nguyen Thanh Truong, Tran Tan Thanh, Guy Thwaites, Le Van Tan, OUCRU COVID-19 Research Group :: SSRN

Transmission of SARS-CoV-2 Delta Variant Among Vaccinated Healthcare Workers, Vietnam by Nguyen Van Vinh Chau, Nghiem My Ngoc, Lam Anh Nguyet, Vo Minh Quang, Nguyen Thi Han Ny, Dao Bach Khoa, Nguyen Thanh Phong, Le Mau Toan, Nguyen Thi Thu Hong, Nguyen Thi Kim Tuyen, Voong Vinh Phat, Le Nguyen Truc Nhu, Nguyen Huynh Thanh Truc, Bui Thi Ton That, Huynh Phuong Thao, Tran Nguyen Phuong Thao, Vo Trong Vuong, Tran Thi Thanh Tam, Ngo Tan Tai, Ho The Bao, Huynh Thi Kim Nhung, Nguyen Thi Ngoc Minh, Nguyen Thi My Tien, Nguy Cam Huy, Marc Choisy, Dinh Nguyen Huy Man, Dinh Thi Bich Ty, Nguyen To Anh, Le Thi Tam Uyen, Tran Nguyen Hoang Tu, Lam Minh Yen, Nguyen Thanh Dung, Le Manh Hung, Nguyen Thanh Truong, Tran Tan Thanh, Guy Thwaites, Le Van Tan, OUCRU COVID-19 Research Group :: SSRN: Background: Data on breakthrough SARS-CoV-2 Delta variant infections are limited.

Methods: We studied breakthrough infections among healthcare workers of