Table 1.

The 7 periods of the COVID-19 pandemic in Vietnam.

Period	Date	Total days, n	Events
1	Before January 23, 2020	54	No confirmed cases in Vietnam
2	January 23 to February 26, 2020	35	First confirmed case in Vietnam; 16th infected case discharged from hospital
3	February 27 to March 5, 2020	8	No new cases in Vietnam
4	March 6 to March 31, 2020	26	17th infected case confirmed and more reported afterward
5	April 1 to April 15, 2020	15	Implementation of social isolation
6	April 16 to July 24, 2020	100	No new cases in the community
7	July 25 to November 13, 2020	112	A new case in the community and the first deaths