Which Disease Is Not Prevented by Vaccination?
Vaccines are an important part of preventive healthcare that can help protect people from serious diseases, such as measles, mumps, and rubella. However, not all diseases can be prevented by vaccination. Some diseases are caused by viruses or bacteria that vaccines are not yet available for, while other diseases are caused by factors that are not affected by vaccines.
Viral Diseases
Viral diseases are caused by a virus, which is a type of microorganism. Some viruses, such as the ones that cause influenza and the common cold, are constantly changing and evolving, making it difficult to develop a vaccine to prevent them. Other viruses, such as the ones that cause HIV/AIDS and hepatitis C, are too complex for researchers to develop a vaccine for.
Bacterial Diseases
Bacterial diseases are caused by bacteria, which are single-celled organisms. Vaccines are available for some bacterial diseases, such as tuberculosis, but some bacterial diseases, such as Lyme disease, are too complex for researchers to develop a vaccine for.
Non-Infectious Diseases
Non-infectious diseases are not caused by viruses or bacteria, but by factors such as genetics, lifestyle, and environment. These types of diseases cannot be prevented by vaccination, although lifestyle changes, such as quitting smoking or eating a healthy diet, can reduce the risk of developing some of them. Examples of non-infectious diseases include heart disease, cancer, and diabetes.