Vietnam on coronavirus high alert after first local infection in 100 days
- A man who has not left tourist hotspot Da Nang for nearly a month is in critical condition after testing positive for Covid-19
- Vietnam kept its total number of coronavirus cases to just 417 after implementing strict quarantine and testing measures

Vietnam imposed strict quarantine measures and carried out an aggressive and widespread testing programme during the pandemic, keeping its total tally of reported infections to just 417, with no deaths.
It had reported no locally transmitted infections for 100 days until Friday, when the Health Ministry said a 57-year-old man from Da Nang, a tourist hotspot, had tested positive.
State media reported late on Saturday that the man was in critical condition, and specialised doctors had flown from Ho Chi Minh City to Da Nang to treat him.

Authorities said 50 people the patient came into contact with have been isolated, and 103 people connected to the patient were tested for the virus but all returned negative results.
The ministry said more than 11,800 people are being quarantined throughout the country, including 147 at hospitals.