HANOI, April 30 (VNExpress) - Vietnam confirmed three new Covid-19 community transmissions Friday, bringing the total in the last two days to nine.

Patient 2911, a 28-year-old man in Hanoi, met and had a meal with patient 2899, a male migrant worker who returned from Japan, on April 22.

The first community case in Hanoi after 73 days, patient 2911 lives in Viet Hung Commune, Dong Anh District. A truck driver, he has been to many places since coming in contact with patient 2899.

He met with patient 2899 from 8-10 p.m. at an eatery in Ly Nhan District in the northern province of Ha Nam.

The next morning he drove his own car to his home in Dong Anh District, where he came into contact with two family members.

From April 24 to April 28 he had come into contact with at least 10 people, nine in Dong Anh District and one in Me Linh District. On April 29, after learning that he had come into contact with an infected man, he reported to the local medical center and isolated himself at home. He tested positive the same day.

The building where he lives has been locked down with 21 people inside.

Patients 2912 and 2913, a 58-year-old grandmother and her 2-year-old granddaughter in the northern province of Hung Yen, are also linked to patient 2899. They came into contact with the man during a trip to Ha Nam between April 17-23.

Authorities have locked down their village, Hoang Xa, with more than 1,200 residents.

In the last 24 hours Vietnam has recorded nine new community cases after more than a month. Eight of the new cases are linked to patient 2899, who tested positive for the novel coronavirus in Ha Nam after completing his mandated two-week quarantine in Da Nang where he tested negative three times.

Vietnam has recorded 2,914 Covid-19 cases to date, including 2,516 recoveries and 35 deaths.

The Ministry of Health has warned of high chances of contagion from illegal border entrants and urged people to take protective measures.