07 February 2022. The outbreak in Baise, which has a population of about 3.6 million and borders Vietnam, is tiny by global standards, but the curbs, including a ban on non-essential trips in and out, follow a national guideline to quickly contain any flare-ups.https://www.financialexpress.com/lifestyle/health/china-locks-down-city-on-vietnam-border-as-covid-cases-rise/2427237/