2. 1. Health and ilness
Your health is a state of physical, mental and social well-being.
General practitioner
Medical specialist
• Dermatologist, cardiologist…
4. 2. Infectious diseases
Bateria, viruses, protozoans and fungi are common
microorganisms. Some of then are not harmful to humans, but
others can cause infectious diseases.
Bacteria: (Tuberculosis, tetanus, salmonellosis) Antibiotics.
Viruses: (Flu, measles, rubella, AIDS) Antiviral medicines.
Protozoans: (Malaria, cholera) Anti-protist medicines.
Fungi: (Diseases of skin, hair and nails) Antifungal medicines.
5. How are infectious diseases
transmited?
Personal
contact
Droplet contact
Contaminated
objects
Animal carriers
Consumption of
contaminated
food
Consumption of
contaminated
water
6. 3. Preventing infectious diseases
To prevent infectious diseases, we must keep healthy lifestyle habits and
follow a schedule of vaccinations.
Wash your hands
Brush yor teeth
Clean cuts
Keep your pets
healthy
don’t walk
barefoot
7. Vaccines
A vaccine is a substance that contains weak or dead
microorganisms. These organisms can’t make you ill, but they
help your body to resist the same disease in the future.