Immunization Related Terms
- B -
Small white blood cells that help the body defend itself against infection. These cells are produced in bone marrow and develop into plasma cells which produce antibodies. Also known as B lymphocytes.
Tiny one-celled organisms present throughout the environment that require a microscope to be seen. While not all bacteria are harmful, some cause disease. Examples of bacterial disease include diphtheria, pertussis, tetanus, Haemophilus influenza and pneumococcus (pneumonia).
Flaws in the collection, analysis or interpretation of research data that lead to incorrect conclusions.
A causal association (or relationship between two factors) is consistent with existing medical knowledge.
Soft tissue located within bones that produce all blood cells, including the ones that fight infection.
Additional doses of a vaccine needed periodically to 'boost' the immune system. For example, the tetanus and diphtheria (Td) vaccine which is recommended for adults every ten years.
Inflammation of nerves in the arm causing muscle weakness and pain.
Development of a disease despite a person's having responded to a vaccine.