What does infection mean?
When germs/pathogens enter the body, multiply, and cause illness.
What type of pathogen gives you the common cold?
Virus
How do vectors spread disease?
Some animals can carry diseases and pass them to humans through bites (like rabies).
___________ are small organisms that can be helpful or harmful.
Bacteria
Some illnesses may require _________ medicine if infected with a virus.
Antiviral
What is a Pathogen?
A germ (like a virus or bacterium) that can cause disease.
What pathogen gives you Salmonella?
Bacteria
When people cough, sneeze, or talk, tiny droplets with germs can spread through _______________
Airborne transmission
__________ are very tiny germs that can make us sick by entering our cells.
Viruses
If someone is sick around you, how can you prevent contamination?
Avoid close contact with people who are sick.
Communicable diseases definition
An illnesses caused by germs (like bacteria, viruses, and fungi) that can spread from one person to another.
How do you get infected with malaria?
Mosquito bite
How can food and water make you sick?
Eating contaminated food or drinking unclean water can expose you to pathogens like bacteria or protists.
___________ are organisms that can cause skin infections like athlete's foot.
Fungi
If you came to school with a cold, how can you slow down the spread of germs?
Use a tissue or elbow when coughing or sneezing.
Medicine used to treat bacterial infections, not viruses.
Antibiotic
What pathogen is yeast?
Fungi
Indirect contact can happen by _____________.
Touching surfaces (like doorknobs or keyboards) that have germs on them.
_____________ live on or inside another organism as parasites.
Protists
Why are vaccines important?
Vaccines protect us by preparing our immune system to fight off specific diseases.
The body's ability to resist or fight off infections.
Immunity
What pathogen infects potatoes, giving them Potato Late Blight?
Protist
Touching someone who has the disease, like shaking hands or hugging is ____________________.
Direct contact
Which pathogen requires a host to replicate and survive?
Virus
How do vaccines work?
They introduce a weak piece of the germ to the body, so it can recognize and fight the real disease in the future.