For the first time since the Beijing government held daily news briefings on the capital city's coronavirus outbreak at a wholesale food market, officials wore masks to meet reporters on Wednesday morning (June 17).
After 56 days, Beijing reported a new locally transmitted case - a 52-year-old man surnamed Tang in Xicheng district on Thursday.
Beijing authorities closed the Xinfadi market and placed districts under lockdown as it began a widespread testing campaign.
What is the origin of the cluster? . Anyone who visited the markets has been ordered to self-isolate for 14 days and undergo a test. The number shot up to 106 after 27 other cases were reported on Tuesday.
Not long after declaring itself virus-free, New Zealand detected a re-emergence of the virus. Authorities maintained strict response measures in almost two dozen communities on Tuesday and continued to test thousands of people and products for the virus.
The source of the new outbreak remains a mystery. Fears that shipped livestock and produce could carry the virus - with potentially worrisome implications for worldwide trade - began circulating this week after it was found on cutting boards at the Xinfadi market used for salmon, which is imported from Europe.
Fresh meat and seafood in the city and elsewhere in China was also being inspected, though experts have expressed doubt the virus could be spread via food supplies.
One salmon exporter, who declined to be named, said that some exports went through to China but most were still on hold.
Beijing Ditan Hospital has intensified its efforts to cope with the emergency since June 11 and has opened four more zones to screen and treat COVID-19 patients.
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Travellers coming into Beijing also have to be tested and quarantined.
Dozens of residential compounds in hard-hit areas of the city have also been put under lockdown.
11 other food markets have been closed and nearly 300 others sanitized, and multiple housing compounds have been put under lockdown.
Chen Bei, deputy secretary general of the Beijing Municipal People's Government said: "Beijing faces serious danger of imported cases and spread in the city and the country".
More than 8,000 workers there were tested and quarantined, and authorities plan to test 19,000 residents of locked-down communities near two of the affected markets, Xinfadi and Yuquanlu.
The shutdown followed the closure on Monday of another market in the northwestern district of Haidian after three visitors there were confirmed to have contracted Covid-19.
Online classes have been resumed and students are not allowed to return to school from Wednesday.
The city's anti-epidemic measures had relaxed in recent weeks after the annual meeting of China's parliament in May saw thousands of delegates flock to the capital.