Vaccine

In this prospective cohort study, we analyzed saliva IgA and IgG antibody levels over the first two years of the pandemic after COVID-19 mRNA vaccination and infection. Generally healthy adult healthcare workers with no evidence of prior SARS-CoV-2 infection were enrolled into the Prospective Assessment of SARS-CoV-2 Seroconversion (PASS) study between August of 2020 and March of 2021. Utilizing …

Influenza vaccination uptake among older adults in under-resourced rural areas remains very low, notably in China, representing a major health equity challenge. We aimed to identify influenza vaccine service preferences among older adults in a multi-ethnic, low-income region of rural southwest China to inform tailored, equity-oriented vaccination strategies. We conducted a discrete choice experim…

Effective risk communication requires an understanding how interactions with healthcare providers influence parental vaccination decisions. In Japan, cultural norms that emphasize respect for authority may discourage parents from asking questions, whereas recent digital information sources increasingly shape how parents perceive vaccines. Using the Behavioral and Social Drivers of Vaccination fra…