Vaccines and Its Effects

Vaccines are a vital part of modern medicine and public health, used to prevent multiple diseases and illnesses. Vaccines work by introducing a weakened or inactivated form of a virus, bacteria, or other microorganism into the body. This helps the body develop immunity to that pathogen and protect the individual from future infection. Vaccines are extremely effective in reducing the spread of disease, and they have helped save countless lives since they began to be regularly used in the late 18th century. Vaccines can be used to stop the spread of a variety of diseases, such as measles, mumps, rubella, polio, rotavirus, and even some forms of cancer. Vaccines are especially important for children, as they are more susceptible to diseases, and can easily spread illnesses to those who are less protected. Vaccines can also prevent complications from diseases such as pneumonia and meningitis- both of which can be life-threatening. Vaccines are safe, generally inexpensive, and are available to all individuals regardless of race, gender, or economic standing.