The Chinese Foreign Ministry said it was "suspending the entry of foreign nationals" because of the "rapid spread of Covid-19 across the world".
China reported 67 new cases Wednesday, all from global travel, as locally transmitted infections have waned.
A 57-year-old female shrimp seller in China's Wuhan city, the originating point of the coronavirus pandemic, has been identified as one of the first victims of COVID-19, which has claimed almost 28,000 lives around the world so far, according to media reports.
The number of confirmed cases worldwide has now exceeded 530,000, while the number of deaths is over 24,000, with some 126,000 patients having recovered.
Wuhan has paid a heavy price for the outbreak, with more than 50,000 people infected and more COVID-19 deaths than any other city in China - with three more reported Saturday. These will not be counted as part of the total number of passenger flights operated by each airline. Some reports claim that as soon as doctors in China detected the new virus, the Chinese authorities shut down labs and destroyed the samples of the virus.
The Covid-19 epidemic broke out in Wuhan last December, and the province remains the worst-affected in China, with a total toll of 3,174 dead and 81,340 ill, 595 of whom are mostly Chinese who arrived from overseas.
People dressed in Hanfu, or Han clothing, and wearing face masks to prevent the spread of the coronavirus disease (COVID-19) walk at a theme park on the Chinese National Costume Day in Changsha, Hunan province, China, on March 26, 2020.
Wuhan was placed under lockdown in January with residents forbidden to leave, roadblocks ring-fencing the city's outskirts and drastic restrictions on daily life.
Severe curbs on travel and transport brought the epidemic under control in China but at a heavy price, with some analysts expecting an outright contraction for the country's economy in the first quarter.
The all India shutdown came as a surprise for health experts here as China had locked down only Hubei province during the worst run of the virus.
The US has the highest number of infections with 104,837 cases.
Wuhan initially struggled to contain the outbreak, but numbers have fallen dramatically in recent weeks.
"From Sept. 2019 to March 2020, the U.S. Government and the CDC knowingly disclosed the wrong public health information in the name of "influenza" when some of the influenza patients were actually infected with some undetermined type of virus (which was later proved to be COVID-19)", the lawsuit, translated by the China Justice Observer (CJO) website, said.
The measure becomes effective on Sunday, the administration said.