How Germs Spread
Hand Hygiene
Vaccines
Public Health Issues
Bacteria vs. Viruses
100

What is the most common way infections spread?

Through our hands (touching people, objects, then our face).

100

How long should you wash your hands with soap and water?

20 seconds

100

What do vaccines do?

Train the immune system to recognize and fight germs.

100

What virus caused the global pandemic in 2020?

COVID-19

100

Which type of germ can be treated with antibiotics?

Bacteria

200

How do airborne infections spread?

Through tiny droplets that stay suspended in the air and can be inhaled.

200

When is hand sanitizer NOT effective?

When hands are visibly dirty or greasy.

200

What is herd immunity?

When enough people are vaccinated, the spread of the disease is greatly reduced, protecting the community.

200

Why is antibiotic resistance dangerous?

Because infections become harder to treat when antibiotics no longer work.

200

Is the flu caused by a bacteria or a virus?

Virus

300

True or False: Mosquitoes can spread infectious diseases.

True

300

Name two critical times when you should wash your hands.

Before eating and after using the bathroom (and coughing/sneezing, handling pets, or touching trash).

300

True or False: Vaccines can cause the disease they are meant to prevent.

False

300

Give one example of a disease that has reappeared due to lower vaccination rates.

Measles

300

True or False: Some bacteria are helpful to humans.

True

400

Germs that float in the air and can travel long distances use this method.

What is airborne transmission?

400

This part of the hand is most often missed during washing.

Thumbs (or between the fingers)

400

Dtap vaccine protects against what 3 diseases? 

diphtheria, tetanus, and pertussis

400

This is the general term for a widespread outbreak of an infectious disease.

Epidemic

400

Chickenpox, flu, and COVID-19 are caused by this type of microbe.

Viruses

500

This bacterium is found in undercooked meat and can cause food poisoning.

What is E. coli? 

500

Hand sanitizer should contain at least this percentage of alcohol to be effective.

60%

500

This global organization coordinates international vaccination campaigns and tracks vaccine-preventable diseases.

World Health Organization (WHO)

500

This public health measure involves separating people exposed to a contagious disease.

Quarantine 

500

This antibiotic-resistant bacterial infection is commonly spread in hospitals and locker rooms, and its name is abbreviated as MRSA.

Methicillin-resistant Staphylococcus aureus

M
e
n
u