Across
- 2. is an infectious agent that can only replicate within a host organism
- 3. an outbreak of a pandemic disease.
- 5. the process of infecting or the state of being infected
Down
- 1. a bacterium, virus, or other microorganism that can cause disease.
- 2. a substance used to stimulate the production of antibodies and provide immunity against one or several diseases, prepared from the causative agent of a disease, its products, or a synthetic substitute, treated to act as an antigen without inducing the disease every year the flu vaccine is modified to deal with new strains of the virus
- 4. a protein made by plasma cells
