China suspended issuing short-term visas in South Korea and Japan on Tuesday, after announcing it would retaliate against countries that required negative COVID-19 tests from Chinese travellers.
China has ditched mandatory quarantines for arrivals and allowed travel to resume across its border with Hong Kong since Sunday, removing the last major restrictions under the "zero-COVID" regime which it abruptly began dismantling in early December after historic protests against the curbs.
