Vaccines work by introducing a weakened or killed form of a pathogen into the body. This allows the immune system to produce antibodies against the pathogen without causing disease. If the person is later exposed to the real pathogen, their immune system will be able to quickly and effectively fight it off, preventing illness.

Micro-organisms Affected by Vaccines

Vaccines can protect against a wide variety of micro-organisms, including:

* Bacteria: Vaccines are available to protect against many bacterial infections, such as Haemophilus influenzae type b (Hib), Streptococcus pneumoniae, and tetanus.

* Viruses: Vaccines are available to protect against many viral infections, such as measles, mumps, rubella, polio, and influenza.

* Fungi: Vaccines are available to protect against some fungal infections, such as Candida and Cryptococcus.

Importance of Vaccines

Vaccines are one of the most important tools we have to prevent disease. They have saved millions of lives and have helped to control and even eliminate some diseases. Vaccines are particularly important for children, who are more vulnerable to infection.

Vaccine Safety

Vaccines are very safe. The risks of side effects from vaccines are very small, and the benefits of vaccines far outweigh the risks. Vaccines are tested extensively before they are approved for use. Safety monitoring systems are in place to identify and investigate any potential problems.

Vaccination Schedule

The recommended vaccination schedule for children and adults varies from country to country. It is important to follow the recommended vaccination schedule to ensure that you and your family are protected from disease.

Vaccination Hesitancy

Some people are hesitant to vaccinate themselves or their children. There are many reasons for vaccine hesitancy, including concerns about safety, effectiveness, and religious beliefs. It is important to talk to your doctor about your concerns if you are hesitant to vaccinate.