Midterm 1 Flashcards
(20 cards)
mortality rate
the incidence of death in the population in a given period
morbidity rate
number of people affected in relation to the total population in a given time period
pathogenic
capable of causing disease
virulent
extremely poisonous
endemic
occurring frequently in a particular region or population
epidemic
a sudden outbreak of infectious disease that spreads rapidly through the population, affecting a large portion of people
reservoir
a place or population where an infectious agent lives and multiplies, and can infect others
vector
an animal usually an insect or tick that transmits parasitic microorganisms and therefore the disease they cause from person to person or from infected animal to human beings
host
an animal or plant in or upon which a parasite lives
intermediate host
one in which the parasite passes its larval or asexual stage
definitive host
one in which the parasite develops into its sexual stage
enzootic
relating to or denoting a disease that regularly affects animals in a particular district or at a particular season.
epizootic
relating to or denoting a disease that is temporarily prevalent and widespread in an animal population.
nidus
a place in which bacteria have settled and multiplied because of particularly suitable conditions: a focus of infection
zoonosis
an infectious disease of animals that can be transmitted to humans
biological vector
an arthropod vector in which the disease causing organism multiplies or develops within the arthropod prior to becoming infective for a susceptible individual
iatrogenic
describing a condition or disease that has resulted from treatment and/or the actions of health-care professionals
formite
an inanimate object that can become contaminated with infectious agents, such as bacteria, viruses, or fungi, and spread disease to a new host
anthropozonoosis
a disease that can be transmitted from an animal to a human, or vice versa
“silent zone of disease”
A place where disease is circulating but is unrecognized because no humans are present