Vaccine is a medicine that’s given to help prevent a disease. Vaccines help the body produce antibodies that protect against the disease.
Vaccination is a method of stimulating resistant in the human body to specific diseases using microorganisms (bacteria or viruses) that have been modified or killed
Types of vaccine
1) Killed vaccine
- Is preparation of the normal infections
2) Attenuated vaccine
- These are live virus particles that grow in the vaccine to a non-pathogenic form
3) Sub-unit vaccine
- These are purified components of the virus, such as surface antigen
Types of vaccine
Advantages of Vaccination: Vaccination reduces the susceptibility to an infection. Vaccination can slow or stop the spread of the virus. Vaccines are important for entire community to reducing the spread of infectious agents in their future generations.
continue ….. advantanges of vaccination
Help to protect not only the vaccinated individuals, but also person entire community.
Disadvantages of Vaccination
Some of the virus can mutated rapidly.
- eg: Flu virus
-new antigenic specificities appears.
- Each year new vaccine must be produce.
Higher cost- procedure carried out by trained healthcare professionals.
continue …. disadvantages of vaccination
-Occur from all type of vaccine.
-Either mild effect or severe effect.
Some of vaccine’s strain will mutated. This may lead to reversion to virulence.
-eg: lived attenuated vaccines.
Vaccination is an important way of preventing development of disease in our bodies and stopping us from being ill from infections.
Not all disease can be eradicated by vaccination.
Vaccination have it’s own advantages and disadvantages, it’s depends on the types of infections and the vaccines that had been given.