Among the active patients, 13 have tested negative once and three twice.

However, there are five patients who have relapsed being monitored at different hospitals in the country. The Central Institute of Hygiene and Epidemiology in Hanoi and HCMC Pasteur Institute have cultured the virus taken from them to try and find the cause.

Medical workers are seen at a laboratory inside the Preventive Health Center of Nghe An Province in central Vietnam, April 17, 2020.

By last Friday morning, Vietnam had gone eight straight days clear of new infections, but the evening saw two new cases, both students returning from Japan. They were quarantined on arrival and are now under treatment in Hanoi.

From April 16, there has been no infection caused by community transmission.

The country has 52,000 people in quarantine - 323 in hospitals, 11,000 in isolation facilities and the rest at home.

The Covid-19 pandemic has spread to 210 countries and territories, with almost 207,000 deaths reported so far.

Vietnam records no more Covid-19 cases for four consecutive days

As of 7 am April 20, 2020, Vietnam has recorded no more Covid-19 cases for four consecutive days

Number of Covid-19 cases remains at 268 with no new cases on April 20

No new case of Covid-19 was detected over the past 12 hours, so the number remained at 268 as of 6 am on April 20, according to the National Steering Committee for Covid-19 Prevention and Control.

No new case of COVID-19 reported on April 19 morning

No new case of Covid-19 was detected as of 6am on April 19, making it three full days the country has gone without any new infection of the coronavirus, according to the national steering committee for Covid-19 prevention and control.

Vietnam records no new CovidD-19 cases over past two days

No new Covid-19 infection cases have been detected in Vietnam over the past two days.

Vietnam confirms 268 Covid-19 cases

Vietnam confirms 268 Covid-19 cases as of 6 a.m on April 16, 2020.

Source: VnExpress