Vaccination: An injection of a weakened strain of an infectious microbe (pathogen) that causes the body to undergo active immunity (produce antibodies).
This is immunity where antibodies are given to a person from the blood of another person or animal.
This immunity only lasts for a short period of time.
ex: Breastfeeding mothers pass antibodies to their children through the milk.
Autoimmune diseases are diseases where the immune system begins to attack itself.
Rheumatoid Arthritis – crippling disease of the joints.
Lupus – disease of blood and organs.
Multiple Sclerosis – disease of nervous system
Cures/Treatments: No known cures. Usually treated with drugs.
- An exaggerated response by the immune system to an allergen.
Allergen: a normally harmless substance that causes an allergic reaction.
ex: dust, pollen, mould, food, insect stings
Types of Allergic reactions
There are two types of allergic reactions.
a. Immediate – occurs within seconds and normally lasts for about 30 mins.
b. Delayed – takes longer to react and can last for a much longer time.
During an allergic reaction antibodies cause histamines to be released from certain cells.
a. Swelling of tissues
b. Release of fluids (runny noses and eyes)
c. muscle spasms (some cases)
Anaphylaxis or anaphylactic shock:
This is the sudden and severe allergic reaction to a substance that can cause death.
Treatments for Allergies
Avoidance of material – especially food.
Epinephrine – “epi – pen”
Antihistamines -- benadryl
Complete STSE – “What is Cancer?” (Scriptum)
Complete Q’s 1,2,4,6,7 on page 386 MHR