The COVID-19 pandemic in Vietnam - success, crisis, and endemic: Key thresholds and lessons

[...]the vaccination rate rapidly increased, and the COVID-19 pandemic has become endemic since April 2022. During the crisis time, the country ranked the lowest in the Nikkei COVID-19 Recovery Index measured by infection management, vaccine rollouts, and social mobility [6]. [...]Vietnam changed its strategies and measures to control the crisis by mobilizing all sources to vaccinate the entire population. [...]the author proposes the threshold concept of controlling the COVID-19 pandemic by the PHSM and defines it as the marginal levels of the COVID-19 pandemic attributes, where COVID-19 is uncontrollable with given conditions. [...]on April 6, 2022, Vietnam had a full vaccination rate of 80.1%, vaccine booster rate of 60.4%, total cases of 10 million, daily cases of 50 337, and daily deaths of 31 with coronavirus type of the Omicron Variant [4,8].