Measels and HIV: Flashcards
What are both HIV and Measles caused by?
- Viruses.
Facts for viruses?
- Example of a pathogen.
- Viruses cannot be killed by antibiotics.
What are measles?
1st symptom: Fever.
After around 3 days: Patient develops a red skin rash.
How are measles spread?
- In droplets when an infected person coughs or sneezes.
- ## Passes into a different person when the droplets are inhaled.
What happens if complications occur?
- Causes damage to breathing system.
- And the brain.
- Sever cases measles can be fatal so most children are vaccinated agaisnt measels when very young age.
What is HIV?
1st symptom is a flu like illness.
Virus attacks the cells of the patients immune system.
- Overtime immune system becomes severly damaged.
- To a certain extent it becomes so damaged: Cannot fight of inefctions people could ewasily deal with.
- Unable to fight off cancer cells.
What happens when the immune system reaches this highly damaged state?
- Easily contract other infectious diseases:
- TB.
+ may develop cancer. - Late-Stage HIV or AIDS= fatal.
How do we treat HIV?
- Antiretrovival drugs.
- Stops virus from multiplying in the patient.
- So virus does not damage the patients immune system.
- DO NOT DEVELOP AIDS
- Can lead normal life expectancy.
What is the disadvantage of antiretroviral drugs?
- Is not a cure for HIV or AIDS>
- ## Patient must take these drugs for the rest of their life.
How does HIV spread?
- Exchange of fluids between humans.
- Spread by unprotected sexual intercourse.
- Drug users share infected needles: blood containing HIV can pass in the needle from one person to another.