Featured Articles
Vaccine Development, Testing, and Regulation
Systems for developing and testing vaccines emerged after the 19th century, when many vaccines began to be used.
The current system for developing, testing, and regulating vaccines developed during the 20th century as the groups involved standardized their procedures and regulations. More
Ethical Issues and Vaccines
Although various global public health successes can be attributed to vaccinations, ethical debates have long surrounded questions of mandates, consent, access disparities, and research and testing of vaccines. More
Popular Articles
Different Types of Vaccines
Vaccines are made using several different processes. They may contain live viruses that have been attenuated (weakened or altered so as not to cause illness); inactivated or killed organisms or viruses; inactivated toxins (for bacterial diseases where toxins generated by the bacteria, and not the bacteria themselves, cause illness); or merely segments of the pathogen (this includes both subunit and conjugate vaccines). More
History of Anti-vaccination Movements
Though many consider vaccination a top public health achievement of modern medicine, opposition to vaccination dates back to its introduction in the early 1800s. More
