US sends Taiwan 2.5 million vaccine doses, tripling pledge
In this photo released by the Taiwan Centers for Disease Control, a China Airlines cargo plane carrying COVID-19 vaccines from Memphis arrive at the airport outside Taipei, Taiwan, Sunday, June 20, 2021. The U.S. sent 2.5 million doses of the Moderna COVID-19 vaccine to Taiwan on Sunday, tripling an earlier pledge in a donation with both public health and geopolitical meaning. (Taiwan Centers for Disease Control via AP)

In this photo released by the Taiwan Centers for Disease Control, a China Airlines cargo plane carrying COVID-19 vaccines from Memphis arrive at the airport outside Taipei, Taiwan, Sunday, June 20, 2021. The U.S. sent 2.5 million doses of the Moderna COVID-19 vaccine to Taiwan on Sunday, tripling an earlier pledge in a donation with both public health and geopolitical meaning. (Taiwan Centers for Disease Control via AP)

Jun. 20, 2021 06:35 AM EDT
FILE - In this June 6, 2021, file photo released by the Taiwan Presidential Office, President Tsai Ing-wen, right, speaks near U.S. Democratic Sen. Tammy Duckworth, left, of Illinois in Taipei, Taiwan. The U.S. is sending 2.5 million doses of the Moderna COVID vaccine to Taiwan, tripling an earlier pledge in a donation with both public health and geopolitical meaning. (Taiwan Presidential Office via AP, File)

FILE - In this June 6, 2021, file photo released by the Taiwan Presidential Office, President Tsai Ing-wen, right, speaks near U.S. Democratic Sen. Tammy Duckworth, left, of Illinois in Taipei, Taiwan. The U.S. is sending 2.5 million doses of the Moderna COVID vaccine to Taiwan, tripling an earlier pledge in a donation with both public health and geopolitical meaning. (Taiwan Presidential Office via AP, File)

Jun. 19, 2021 11:52 PM EDT
In this photo released by the Taiwan Centers for Disease Control, workers unload COVID-19 vaccines from a China Airlines cargo plane from Memphis that arrived at the airport outside Taipei in Taiwan, Sunday, June 20, 2021. The U.S. sent 2.5 million doses of the Moderna COVID-19 vaccine to Taiwan on Sunday, tripling an earlier pledge in a donation with both public health and geopolitical meaning. (Taiwan Centers for Disease Control via AP)

In this photo released by the Taiwan Centers for Disease Control, workers unload COVID-19 vaccines from a China Airlines cargo plane from Memphis that arrived at the airport outside Taipei in Taiwan, Sunday, June 20, 2021. The U.S. sent 2.5 million doses of the Moderna COVID-19 vaccine to Taiwan on Sunday, tripling an earlier pledge in a donation with both public health and geopolitical meaning. (Taiwan Centers for Disease Control via AP)

Jun. 20, 2021 06:32 AM EDT
In this photo released by the Taiwan Centers for Disease Control, Taiwan's Health Minister Chen Shih-chung, third from left, and Brent Christensen, the top U.S. official in Taiwan, fourth from left, hold up thank you cards as they welcome a China Airlines cargo plane carrying COVID-19 vaccines from Memphis that arrived at the airport outside Taipei in Taiwan on Sunday, June 20, 2021. The U.S. sent 2.5 million doses of the Moderna COVID-19 vaccine to Taiwan on Sunday, tripling an earlier pledge in a donation with both public health and geopolitical meaning. (Taiwan Centers for Disease Control via AP)

In this photo released by the Taiwan Centers for Disease Control, Taiwan's Health Minister Chen Shih-chung, third from left, and Brent Christensen, the top U.S. official in Taiwan, fourth from left, hold up thank you cards as they welcome a China Airlines cargo plane carrying COVID-19 vaccines from Memphis that arrived at the airport outside Taipei in Taiwan on Sunday, June 20, 2021. The U.S. sent 2.5 million doses of the Moderna COVID-19 vaccine to Taiwan on Sunday, tripling an earlier pledge in a donation with both public health and geopolitical meaning. (Taiwan Centers for Disease Control via AP)

Jun. 20, 2021 06:34 AM EDT
In this photo released by the Taiwan Centers for Disease Control, Taiwan's Health Minister Chen Shih-chung, left, and Brent Christensen, the top U.S. official in Taiwan, hold up thank you cards as they welcome a China Airlines cargo plane carrying COVID-19 vaccines from Memphis that arrived at the airport outside Taipei in Taiwan Sunday, June 20, 2021. The U.S. sent 2.5 million doses of the Moderna COVID-19 vaccine to Taiwan on Sunday, tripling an earlier pledge in a donation with both public health and geopolitical meaning. (Taiwan Centers for Disease Control via AP)

In this photo released by the Taiwan Centers for Disease Control, Taiwan's Health Minister Chen Shih-chung, left, and Brent Christensen, the top U.S. official in Taiwan, hold up thank you cards as they welcome a China Airlines cargo plane carrying COVID-19 vaccines from Memphis that arrived at the airport outside Taipei in Taiwan Sunday, June 20, 2021. The U.S. sent 2.5 million doses of the Moderna COVID-19 vaccine to Taiwan on Sunday, tripling an earlier pledge in a donation with both public health and geopolitical meaning. (Taiwan Centers for Disease Control via AP)

Jun. 20, 2021 06:33 AM EDT
In this photo released by the Taiwan Presidential Office, Taiwan's President Tsai Ing-wen speaks at the presidential office in Taipei, Taiwan, Sunday, June 20, 2021. The U.S. sent 2.5 million doses of the Moderna COVID-19 vaccine to Taiwan on Sunday, tripling an earlier pledge in a donation with both public health and geopolitical meaning. (Taiwan Presidential Office via AP)

In this photo released by the Taiwan Presidential Office, Taiwan's President Tsai Ing-wen speaks at the presidential office in Taipei, Taiwan, Sunday, June 20, 2021. The U.S. sent 2.5 million doses of the Moderna COVID-19 vaccine to Taiwan on Sunday, tripling an earlier pledge in a donation with both public health and geopolitical meaning. (Taiwan Presidential Office via AP)

Jun. 20, 2021 06:30 AM EDT