Nineteen Chinese warplanes entered Taiwan's air defense identification zone on Sunday, the self-governed island's Defense Ministry said, as 400,000 doses of coronavirus vaccine donated by Poland arrived.Taiwanese media speculated that Beijing, which considers Taiwan a renegade province to be reunified, sent the airplanes in response to the arrival of the vaccine developed by Britain's AstraZeneca Plc.The 19 warplanes, including 10 J-16 fighters, four H-6 bombers and one Y-8 anti-submarine aircraft, entered the zone southwest of the island before turning back, according to the ministry.The v…READ FULL ARTICLE