Pay-it-forward to improve influenza vaccine uptake and public engagement among children and older adults in China: A three-arm quasi-experimental study
Abstract:China has low seasonal influenza vaccination rates among children and older adults. This quasi-experimental pragmatic trial examined the effectiveness of a pay-it-forward intervention on influenza vaccination compared to standard of care (user-paid vaccination) and free vaccination strategies among children and older people in China (ChiCTR2000040048). In pay-it-forward, people receive a free influenza vaccine from a local group and are offered an opportunity to donate financially to support vaccination among… Show more
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