; Whereas vaccines in the United States undergo extensive safety and efficacy testing before licensure by the Food and Drug Administration (FDA) and are continually monitored for adverse events after health care providers administer them to patients; Whereas there are four post-marketing surveillance systems in the United States tracking adverse events after vaccination; Whereas it is estimated that vaccinations will prevent more than 21 million hospitalizations and 732,000 deaths among children born in the last 20 years, and that more than 100 million children worldwide are immunized each year and vaccines save an estimated 2.5 million children under age five annually; Whereas one in five children worldwide still lack access to common vaccines and, as a result, an estimated 1.5 million children die annually from complications of vaccine-preventable diseases such as diarrhea and pneumonia or suffer from permanently debilitating illnesses; Whereas strong investments in biomedical research to improve existing vaccines and develop many more life-saving vaccines are beneficial to all, both at home and abroad, and a robust immunization infrastructure is essential to the public health and well-being of the people of the United States by preventing and isolating outbreaks of infectious diseases at their source; Whereas encouraging high vaccination rates and promoting vaccine confidence in the United States protects our citizens from contracting vaccine-preventable diseases that are endemic in countries with low vaccination and immunization rates; Whereas the World Health Organization (WHO) recently identified vaccine hesitancy as a top health threat for 2019, and addressing the many factors that contribute to vaccine hesitancy is crucial in increasing vaccination rates and achieving herd immunity; Whereas routine and up-to-date vaccination is the most effective method available to prevent the transmission of potentially fatal infectious diseases