A Disease that is spread from one living organism to another through the environment.
What is a communicable disease?
viral infection that causes inflammation of the mucous membrane
what is a common cold?
Barriers such as skin what block pathogens from invading your body.
what are Physical Barriers?
communicable diseases whose occurrence in humans has increased within the past two decades or threatens to increase in the near future.
what is an Emerging Infection?
as residential areas expand, people move closer to wooded areas
what is population movement?
a condition that occurs when pathogens in the body multiply and damage body cells.
what is an infection?
a viral infection of the respiratory tract; otherwise known as Influenza
what is the flu?
Barriers such as enzymes in tears, destroy the invaders
What are Chemical Barriers?
a disease outbreak that affects many people in the same place and at the same time.
what is an epidemic?
infected people and animals carry pathogens from one are to another
what is transport across borders?
a piece of genetic material surrounded by a protein coat
what is a virus?
an infection of the lungs in which the air sacs fill with pus and other liquids
what is Pneumonia?
a network of cells, tissues, organs and chemicals that fight off pathogens
what is an Immune System?
a global outbreak of an infectious disease
what is a pandemic?
widespread use of antibiotics gives rise to drug resistant pathogens
what is Resistance to antibiotics?
substances that kill cells or interfere with their functions
what are toxins?
a bacterial infection that causes sore throat, fever, and enlarged lymph nodes in the neck
what is strep throat?
A reaction to tissue damage caused by injury or infection
What is the inflammatory response?
disease that affects the brain functions of cattle, also known as BSE
what is Mad Cow Disease?
mass production and distribution of food mean that a small amount of pathogens can infect a great number of people
what is Changes in Food Technology?
an organism that carries and transmits pathogens to humans or other animals
what is a vector?
A bacterial disease spread through the air that attacks the lungs. With symptoms such as fatigue, fever, weight loss, and night sweats.
what is Tuberculosis?
a preparation of dead or weakened pathogens that are introduced into the body to stimulate an immune response
What is a Vaccine?
disease transmitted to humans through tick bites.
what is Lyme Disease?
some pathogens are deadly even in tiny amounts, and they can be dispersed over a large area
what are Agents of Bioterrorism?