|
|
|
|
|
|
|
|
|
|
|
  |
  Chronic Infection - An infection that re-occurs in the host. Co-infection - Simultaneous infection of the host by two or more infectious agents. Encephalitis - Inflammation of the brain Epidemic - More than a normal number of cases of a disease in a community at the same time. In vitro - In the laboratory, in an artifical environment. In vivo - In the actual living organism. Immunity - Resisitance to a disease due to the presence of antibodies. Infection - The growth of a microorganism in a host Latent infection - The persistence of a non-replicating infectious agent in the host. Meningoencephalitis - Inflammation of the spinal cord and brain. Mutation - A change in genetic material and the traits that are inherited by its offspring. Nosocomial - An infection acquired during hospitalization. Pandemic - A worldwide epidemic. Pathogen - A disease causing microorganism. Surveillance - Data is being collected on a weekly basis and will be reported for the following five categories: wild birds, sentinel chicken flocks, human cases, veterinary cases, and mosquito surveillance. Transmission - Infectious mosquitoes carry the West Nile Virus in their salivary glands and only rarely feed on the "incidental-hosts" people, horses and other mammals. Vaccine - An agent used to cause the production of antibodies in an attempt to protect against that specific disease. Virology - The study of viruses and the diseases that they cause. Virus - An infective agent smaller than a bacterium. West Nile Virus - A medically important mosquito-borne virus 
|
