Introduction to Vaccines: A Life-Saving Medicine

Vaccines are one of the most important tools in modern medicine. They are used to protect us from serious and often deadly diseases, such as polio, measles, and rubella. Vaccines contain weakened or dead germs that are similar to the germs that cause the disease. When we are injected with the vaccine, our bodies respond by creating antibodies that protect us against the disease. Vaccines have saved millions of lives, and are one of the greatest achievements in modern medicine.

The History of Vaccines

The practice of vaccinating against diseases dates back to the 1700s, when Edward Jenner first used cowpox to protect people from smallpox. This was the first vaccine, and it was a great success. In the following centuries, many other vaccines were developed, including vaccines for diphtheria, pertussis, and measles.

The Benefits of Vaccines

Vaccines are incredibly effective at preventing disease. They are safe, inexpensive, and easy to administer. They can also prevent the spread of disease from person to person. Vaccines also have the potential to eradicate certain diseases, such as smallpox and polio, from the face of the Earth.

Vaccine Safety

Vaccines are very safe. They are rigorously tested and monitored for safety and effectiveness. Serious side effects from vaccines are rare, and most people have no problems when they get vaccinated.

Vaccine Recommendations

The Centers for Disease Control and Prevention (CDC) recommends that all children and adults get vaccinated against certain diseases. The CDC also recommends that people get a flu shot every year. It is important to talk to your doctor about which vaccines are right for you and your family.


Vaccines are an important tool in modern medicine. They are safe, effective, and have the potential to save millions of lives. It is important to stay up to date with recommended vaccinations to ensure your health and the health of your family. For more information about vaccines, visit CDC’s Vaccine Website.