The Spreading of Disease

The Spreading of Disease: Infection

Infectious diseases spread in one of four ways: Contact with infected person Contact with contaminated object Contact with infected animal Contact with environmental

source

Carrier vs. Vector

Vector—insect spreading disease (tick, mosquito)

Carrier—organism that has a virus or bacteria but not showing the signs of the disease. Person with HIV

Antibiotics

Antibiotics work on bacterial infections Bacteria can become antibiotic

resistant Due to overuse or not taken the

medicine as prescribed.

Examples of antibiotics: Z-packs, CepCor, Penicillin, etc

Penicillin

Alexander Fleming discovered penicillin by accident Penicillin is a fungus

Vaccines

Vaccine—a weakened or dead version of the actual virus/bacteria given to you to force your immune system to build antibodies against the disease. Flu shot

Your Body

Pathogen—a microbe that cause disease

Antibodies—kill pathogens in body

Activity Immunity—organism gets virus and builds up antibodies for virus

Passive Immunity—inject with antibodies from another organism