The Centers for Disease Control and Prevention (CDC) is a national public health agency in the United States.

Child mortality is the mortality of children under the age of five.

Clinical trials are prospective biomedical or behavioral research studies on human participants designed to answer specific questions about biomedical or behavioral interventions, including new treatments (such as novel vaccines, drugs, dietary choices, dietary supplements, and medical devices) and known interventions that warrant further study and comparison.

The Wikipedia page on COVID-19 vaccine provides an overview of the various vaccines developed to combat the COVID-19 pandemic.

Disability is defined as any physical, cognitive, sensory, or mental impairment that affects a person's ability to perform tasks or participate fully in society.

An emergency department (ED), also known as an accident & emergency department (A&E), emergency room (ER), emergency ward (EW) or casualty department, is a medical treatment facility specializing in emergency medicine, the acute care of patients who present without prior appointment, either by their own means or by ambulance.

The Wikipedia page for the European Union provides an in-depth overview of the supranational political and economic organization that consists of 27 member states located in Europe.

Genomics is a branch of biology that focuses on the structure, function, evolution, and mapping of genomes.