communicable diseases Crossword

an invertebrate animal that has an exoskeleton, a segmented body, and jointed appendages
Hosts that carry pathogenic organisms that produce no symptoms, but are capable of transmission.
a disease of epidemic proportions that occurs in many countries simultaneously
the action or state of making or being made impure by polluting or poisoning
an organism which lives in or on another organism (its host) and benefits by deriving nutrients at the other's expense
a toxin present inside a bacterial cell that is released when it disintegrates
a toxin released by a living bacterial cell into its surroundings
an organism, typically a biting insect or tick, that transmits a disease or parasite from one animal or plant to another
The degree or ability of a pathogenic organism to cause disease.
transmitted to other persons, either by physical contact with the person suffering the disease, or by casual contact with their secretions or objects touched by them
always present within a population of a particular geographic region.
a bacterial toxin (usually an exotoxin) whose toxicity has been inactivated or suppressed
organism that harbours a parasitic,
the time elapsed between exposure to a pathogenic organism and when symptoms and signs are first apparent
A disease that suddenly increases in occurrence above the normal level in a given population
the transfer of infection,
a strict isolation imposed to prevent the spread of disease
the state of being invaded or overrun by pests or parasites