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China’s Approval of Pfizer Pill Opens Door to Ending COVID Zero

China’s surprise decision to clear Pfizer Inc.’s coronavirus pill for use offers rare insight into how Beijing may be planning to move beyond the COVID Zero strategy that’s leaving it increasingly isolated.

Paxlovid’s conditional approval over the weekend makes it the first foreign pharmaceutical product China has endorsed for COVID-19, with the country until now sticking steadfastly to domestically developed vaccines and therapeutics, even withholding approval for the highly potent mRNA shot co-produced by Pfizer and BioNTech SE.

Pfizer’s pill will serve a strategic purpose, said Zeng Guang, a former chief scientist at the Chinese Center for Disease Control and Prevention who advised Beijing on COVID control, told investors in a briefing organized by Sealand Securities Co. on Saturday, hours after the approval was announced. The move may lay the groundwork for China’s COVID containment regime to gradually give way to a more flexible approach, he suggested, according to a transcript seen by Bloomberg News and confirmed by Sealand.
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“China won’t self-isolate from the rest of world and has various measures at its disposal to change tack,” Zeng said during the event. “Strategizing precedes action.”

Zeng’s takeaway was echoed by experts and analysts familiar with China’s virus approach.

The country is the last significant economy still trying to eliminate COVID, a task that’s becoming increasingly difficult in the face of more transmissible variants like Omicron and Delta. The lower efficacy of China’s homegrown vaccines is seen as a key reason behind the ongoing strategy, and having an effective antiviral in its arsenal could help mitigate that disadvantage if the virus was allowed to circulate more freely.

“Hopefully it shows that they’re preparing for not having zero cases,” said Sophia Archuleta, head of infectious diseases at the National University Hospital in Singapore and an associate professor at the Yong Loo Lin School of Medicine. “If and when COVID becomes more widespread in the community, they have an effective drug they can deploy.”

National Pharmacist

The conditional approval is an important milestone in the fight against COVID-19 and reflects the government’s efforts to increase access to innovative medicine in China, Pfizer said in a statement Monday.

Paxlovid’s approval also eases concern that China, the world’s second biggest pharmaceutical market, was actively avoiding foreign treatments when it came to COVID. Pfizer’s BioNTech vaccine has been licensed to Shanghai Fosun Pharmaceutical Group Co., China. However, it is yet to receive rubber stamping for its use in China. This was months after the application was filed. Nearly 90% of the population is fully vaccinated. Others are given the weaker domestic immunizations to boost their immunity.

“A foreign pill for COVID is much less radioactive than approving a foreign vaccine, because vaccines were at the heart of the soft-power race and such a point of national pride,” said Michael Shoebridge, director of the defense, strategy and national security program at the Australian Strategic Policy Institute, a think tank in Canberra.

Experts in China have calculated that the country would see 600,000 new infections per day if its current restrictions are lifted. This is a difficult vision to reconcile in an area that has only seen 5,000 deaths from COVIDs since the outbreak that occurred in Wuhan. But such an outlook underscores China’s need for the Pfizer pill, which has been shown to reduce the risk of hospitalization and death by almost 90% and would likely lead to less pressure on China’s largely untested hospital system.

‘Undue delay’

China is home to several COVID antiviral agents, which are in final stages of being developed. However, progress has been slow. Growing vaccination rates worldwide, coupled with Omicron’s reduced virulence, makes it harder to prove they can avert hospitalization and death. One of China’s most advanced COVID pills, from Suzhou-based Kintor Pharmaceutical Ltd, had to undertake a second late-stage trial spanning several countries after an initial one in the U.S. failed to show meaningful results amid very low hospitalization rates.

“This approval is likely China calculating that relying on its own antivirals to end the zero-COVID policy would add undue delay, versus the rest of the world opening up,” said Brad Loncar, chief executive officer of Loncar Investments, who closely follows the Chinese biotechnology industry. “It’s a positive to see China prioritizing rejoining the global network rather than taking a more nationalist stance.”

Still, domestic antiviral candidates may still be boosted by the Pfizer decision, since the American company is unlikely to be able to meet all of China’s treatment needs alone, said Zhang Jialin, head of China health-care research at Nomura Holdings Inc. Pfizer has said its global supply of Paxlovid in 2022 is just 120 million treatment courses.

Executives at Shanghai Junshi Biosciences Co, which is in the final stage of testing an antiviral in China and abroad, told investors over the weekend that China’s approval of Paxlovid approval reflects Beijing’s recognition that pills will play a role in ending the pandemic, according to a company spokesperson. Junshi shares were up more than 5 percent Monday in Hong Kong.

“It creates favorable conditions for a return to normal on the Chinese mainland, including exchanges with the rest of the world,” Nomura’s Zhang said. “But more details need to be learned.”

—With assistance from Dong Cao.

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