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Coronavirus

China, US should lift COVID-19 travel bans if herd immunity reached

Published: Updated:

China and the United States should remove all barriers to travel between the two countries if the United States achieves herd immunity for COVID-19 with 90% of its population vaccinated, potentially by August, a Chinese epidemiologist has said.

The United States is the worst-hit nation in the world by case count, with nearly 30 million infections so far, though new cases have been declining. As of Sunday, 15% of the U.S. population has received at least one dose of a vaccine.

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"By August it could be reach 90% to reach herd immunity, so if that's the case, if we could remove all political barriers, just based on the science, the two countries could possibly be the first two countries to remove all barriers for free travel," Wu Zunyou, chief epidemiologist of China's Center for Diseases Prevention and Control, said on Monday.

China has COVID-19 largely under control, with relatively small clusters of new local infections in recent months. No new community cases have been reported in mainland China since late January.

"China is the safest country in the world in terms of COVID-19," Wu told an online forum organised by Tsinghua University and the Brookings Institution, a U.S. think tank.

Wu said he hoped the vaccination rate in the United States could reach over 80% by June.

China, with a population of around 1.4 billion, has administered 40.5 million doses as of Feb. 9.

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