China Re-Infection Case Ignites Antibody Durability Debate
Threshold for Herd Immunity Also in Spotlight
Amid a case of re-infection of a vaccinated healthcare worker in western China’s Xi’an city, and ongoing debate over domestic vaccines' efficacy, increasing attention is being paid in China to raising inoculation rates for COVID-19 and moving towards herd immunity.
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China's regulators and spin doctors rush to remedy a comment from the nation’s top infectious disease official about the “not high” protection rate for its COVID-19 vaccines, amid debate over speedy development using mature technologies and doubts over protection in seniors. A slow roll-out is already presenting challenges to meeting an official 40% target.
Already priced domestically at a deep discount to counterpart PD-1s in the US, Beigene's tislelizumab could potentially get the first global approval for a China-originated drug in this class, as the immuno-oncology sector as a whole continues to come under pressure in China.
As a part of real-world evidence, patient-reported outcomes can serve to evaluate a drug's efficacy against primary or secondary endpoints and also reflect safety and quality of life, notes a just-released draft regulation from China’s Center for Drug Evaluation.