Gansu, a province in northwestern China, reported a new case on Sunday of a traveler from Hubei who drove back on a health code declaring the person free of virus.
In the last seven days, China has reported 313 imported cases but only six confirmed cases of domestic transmission, NHC's data showed.
The vast majority of the so-called imported cases reported to date have been Chinese nationals, many of whom are students.
China reported 45 new coronavirus cases for 28 March, down from 54 on the previous day, with all but one involving travellers from overseas.
Taiwan's Straits Exchange Foundation (SEF) asked China Airlines to designate two of its regular flights for the third and fourth evacuation missions, including one on Sunday and the other on Monday.
China cut worldwide flights massively from Sunday for an indefinite period, after it began denying entry to nearly all foreigners a day earlier.
China on Sunday resumed domestic flights in the coronavirus epicentre Hubei province, except for its capital Wuhan, as part of a plan to ease the lockdown in the region following a steep decline in the number of confirmed cases. No new confirmed case was reported in Wuhan. The sole case of domestically transmitted coronavirus was recorded in Henan province, bordering Hubei.
Wuhan, China, where the coronavirus epidemic emerged in December, resumed train services Saturday after months of lockdown.
The CAAC's central and southern regional subsidiary said that on Sunday, airports in Hubei will have a total of 98 departing flights.
For the first time, coronavirus infection was recorded in the Chinese city of Wuhan at the end of 2019.
If you believe you may have contracted the virus, call your doctor (don't visit) or contact the national Coronavirus Health Information Hotline on 1800 020 080.
According to multiple reports, more than 30,000 people have died due to the disease across over 170 countries.