The 108 Military Hospital in Hanoi where he received treatment, said he was isolated for two weeks but did not show any symptoms.

He tested negative on January 1 and was discharged, and has to closely monitor his health at home, it said in a press release.

Medical staff in Hanoi prepare samples for Covid testing, 2021.

He landed in Hanoi's Noi Bai Airport on December 19, tested positive and was sent to the hospital.

Genetic sequencing confirmed he was infected with the Omicron, or B.1.1.529 variant.

Since then the number has increased to 20, all arriving from abroad. All are in stable condition and did not show any symptoms.

Omicron, first identified in late November, has raised fresh alarms due to its high number of mutations and higher transmissibility.

Over 100 countries and territories have detected the variant, including many in the Asia-Pacific like Australia, Japan, Singapore and South Korea.

Hanoi bans outdoor New Year's Eve programs over Covid

Hanoi will allow no outdoor programs on New Year's Eve while the central towns of Hue and Hoi An will suspend a series of countdown events due to the worsening pandemic situation.

Over 61,000 people in Bac Giang injected third Covid-19 vaccine shot

(BGO) – On December 28, Bac Giang province administered Covid-19 vaccine (repeated dose) to more than 5,900 people.

Vietnamese, Israeli firms sign cooperation agreement on oral Covid-19 vaccine

Vietnam’s Tan Thanh Holdings and 10 Pharma JSC will be distributors of Covid-19 vaccine Oravax throughout Southeast Asian nations, comprising Vietnam, Brunei, Cambodia, Indonesia, Laos, Malaysia, Myanmar, the Philippines, Singapore and Thailand.

Vietnam confirms 17,000 new cases of Covid-19 on Thursday

Vietnam confirms 17,000 new cases of Covid-19 on Thursday.

16,515 new Covid-19 cases, 226 more deaths reported on New Year Eve

16,515 new Covid-19 cases, 226 more deaths reported on New Year Eve.

Source: VnExpress