Lockdowns, quarantining and rigorous testing: On the streets of China's zero-COVID campaign

A medical worker in a protective suit collects a swab from a man for nucleic acid testing in Shanghai, November 18. REUTERS/Aly Song

Workers in protective suits prepare to enter a building under lockdown to distribute to residents antigen testing kits for the coronavirus, in Beijing's Chaoyang district, November 21. China Daily via REUTERS

People line up to get tested for the coronavirus at a nucleic acid testing site, on Flower City Square in Guangzhou, Guangdong province, November 16. cnsphoto via REUTERS

A man sits with three dogs behind a barrier at a sealed area in Shanghai, China, October 11. REUTERS/Aly Song

A bride gets tested for the coronavirus at a nucleic acid testing site in Shanghai, November 15. REUTERS/Aly Song

A woman gets tested for the coronavirus at a nucleic acid testing site in Shanghai, November 18. REUTERS/Aly Song

An entrance is blocked by bicycles from a bike-sharing service at a sealed area in Shanghai, China, October 11. REUTERS/Aly Song

A man gets tested for the coronavirus at a nucleic acid testing site in Shanghai, China, November 9. REUTERS/Aly Song

A worker in a protective suit sits behind a barrier at a sealed area in Shanghai, China, October 11. REUTERS/Aly Song

A medical worker in a protective suit collects a swab from a resident for nucleic acid testing in Shanghai, China, November 1. REUTERS/Aly Song

A man pushes a woman in wheelchair past a poster with a graphic of medical workers at a nucleic acid testing booth in Beijing, China, October 27. REUTERS/Tingshu Wang

Women with dogs chat through gaps in a barrier at a sealed area in Shanghai, China, October 11. REUTERS/Aly Song

Medical workers in protective suits ride an electric tricycle on a street in Shanghai, China, November 3. REUTERS/Aly Song

A medical worker in a protective suit collects a swab from a resident for nucleic acid testing in Shanghai, China, October 13. REUTERS/Aly Song

A worker in a protective suit talks on a phone behind a barrier at a sealed area in Shanghai, China, October 11. REUTERS/Aly Song

A man gets tested at a nucleic acid testing site in Shanghai, China, November 1. REUTERS/Aly Song

A man has his swab sample taken at a testing booth, in Beijing, China, October 27. REUTERS/Tingshu Wang

Medical workers take swap samples from residents for nucleic acid test in Chongqing, China, November 3. China Daily via REUTERS

A medical worker in a protective suit collects a swab from a resident for nucleic acid testing, in Shanghai, China, November 1. REUTERS/Aly Song

A security guard in a protective suit stands guard in front of a gate in Shanghai, China, October 10. REUTERS/Aly Song