a disease cause by organisms transmitted by person to person that enters and multiplies with the body
the spread of a infectious pathogen by people, animals, and the environment
an infection or disease that spread rapidly though a population affecting many people at the same time.
Malaria, yellow fever, and flu
a program in which communities or large populations are systematically made immune to a disease through vaccination
a preparation based on weaken (live viruses) or dead (killed viruses), pathogens that provide immunity by causing the body to produce antibodies against the pathogen
body's natural defense or acquired defense against infection
active immunity and passive immunity
name the two types of immunity
developed by your body to protect you from diseases; life time
temporary - when you are in your mothers stomach, you get your immunity from your mom, so it is temporary. Only acquire from your mother when you are in your mothers stomach. Once you are out, you need your immunity shots.
large protein that destroy or neutralize invading pathogens (good)
a foreign substance in the body such as bacteria, that stimulate the immune system to produce antibodies
microbe that cause diseases
bacteria and cancer
tiny organism such as bacteria or yeast that is too small to see by the naked eye; also called micro organisms
microscopic single cell organism varying in different shapes and sizes and some are capable of causes diseases
smallest known type of infection agent that only contains genetic material and protein coating (they are totally dependent on the cell they infect)
organisms that live in or on another organism and derive all their nourishment from it; (most pathogens are parasites)
the process by which certain white blood cells engulf and destroy pathogens
the main chief phagocyte involved in the process of Phagocytosis
white blood cells, active in the body's immunity
lymphocytes that can be recognized by invaders that cause illness
that can make antibodies (by transforming into plasma cells)
a disease caused by virus or bacteria that infects the lung causing serious inflammation in the lungs; dangerous to old and young people
caused by bacteria, which is highly contagious and most often effects lungs
German measles, only last a few days, not serious, complication except in pregnancy
a liver disease caused by several types of viruses which cause inflammation of the liver and discoloration of the skin and whites of the eyes. This disease can be transmitted by infected needles, eating raw seafood from contaminated water and by bodily secretions from an infected person
its transmission is fecal (poop) or oral. You can get it by contaminated food and water, from person to person, or poor sanitation. You are contagious 2 weeks before you even have the symptoms and one week after you have the symptoms and for the rest of your life. Death is uncommon
Blood to blood contact or bodily fluids. Common source is 50% from IV Drug Uses, blood contaminated injuries, mother to baby, tattooing, razors, and tooth brush. Lasts a life time. The worst one!
found in blood and certain bodily fluids. You can get it by sharing needles, blood contaminated injuries (needle stick), mother to baby, and unprotected sexual contact. Contagious. Lasts a life-time. 1% will die from this
inflammation of the membrane (brain and spinal cord) This can be life threatening if it caused by a bacterial infection
helpful bacteria found in the gastrointestinal track
a bacterial infection to the throat. If left untreated, it may lead to high fever and other serious complications
living things that absorb nutrients of organisms they invade
Virus is smaller. Virus is not a living cell. Viruses are entirely dependent on living cell to survive and reproduce. Viruses invade cells and use the material of host cell to bacteria reproduce on their own antibodies can kill bacteria but are not effective against Viruses
How does a virus differ from Bacteria?
Physical Barriers are one of the types of non-specific defenses that the body has against involving pathogens. The main physical barrier is the skin. If unbroken skin prevents pathogens from entering the body. Chemical barrier are another kind of non-defense. Enzymes in saliva and digestive juices in the stomach destroy pathogens
Describe two nonspecific defense the body has to protect itself against pathogens and explain how they work?