EESA10H3 Lecture 7: information from lecture slides + information added by prof during lecture

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Nontransmissible diseases: cannot be transferred from one human to another human. Usually have more than 1 cause and not caused by any living things. Transmissible diseases: certain living things have role in their occurrence, caused by infectious agents (bacteria, viruses), can be transmitted from person to person, animal to person, or person to vector. Most bacterial diseases can be effectively cured by antibiotics, but antibiotics cannot cure viral diseases (viruses) Germs and bacteria multiple very quickly, adapt to antibiotics, and then become resistant to them: antibiotic overuse also leads to resistance. Transmitted through coughing, sneezing, speaking, kissing, spitting. Most commonly attacks the lungs, caused by bacteria. Symptoms: chest pain, coughing up blood, prolonged cough, fever, chills, night sweats, appetite loss, weight loss, paleness. all 3 lead to septricemia (when number of bacterium is so large that it overflows all blood systems, whole body is affected) and death.

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