Despite major advances in vaccination over the past century, resurgence of vaccine-
preventable illnesses has led the World Health Organization to identify vaccine hesitancy as …

Objectives: Successful immunization programs require strategic communication to increase
confidence among individuals who are vaccine-hesitant. This paper reviews research on …

Objectives. To understand how Twitter bots and trolls (“bots”) promote online health content.
Methods. We compared bots' to average users' rates of vaccine-relevant messages, which …

The COVID-19 pandemic has produced many calls for a vaccine. There is growing concern
that vaccine hesitancy and anti-vaccination presence will dampen the uptake of a …

Objective: Strengthening of antivaccination movements in recent decades has coincided
with unprecedented increases in the incidence of some communicable diseases. Many …

Donald Trump is the first US President to be on the record as having anti-vaccination
attitudes. Given his enormous reach and influence, it is worthwhile examining the extent to …

Background Identifying and understanding reasons for being unsure or unwilling regarding
intention to be vaccinated against coronavirus disease (COVID-19) may help to inform future …

Background: The aims of the present study were to examine the prediction of the threat and
coping appraisal utilizing an extended protection motivation theory (PMT) for the motivation …

Despite being recognized as one of the most successful public health measures, vaccination
is perceived as unsafe and unnecessary by a growing number of parents. Anti-vaccination …

The development of safe and effective COVID-19 vaccines provides a clear path to bring the
pandemic to an end. Vaccination rates, however, have been insufficient to prevent disease …