EDS vaccines recap (Cognito video quiz)

What is the main purpose of vaccines?

• To treat diseases after we catch them

• To cause a mild form of the disease

• To expose our bodies to pathogens without causing disease

• To strengthen the pathogens

What do vaccines contain?

• Weakened or inactivated pathogens

• Medications to treat symptoms

• Antibodies to fight diseases

• Strong pathogens that cause disease

Why do we only catch diseases like chickenpox once?

• Because vaccines prevent them completely

• Because our immune system develops immunity

• Because they are not serious diseases

• Because of herd immunity

What is herd immunity?

• When enough people are immune to stop the pathogen's spread

• When a vaccine is 100% effective

• When animals are vaccinated

• When a disease is eradicated worldwide

What can be a common problem with vaccines?

• They always cause severe diseases

• They can sometimes cause bad reactions

• They make diseases stronger

• They are ineffective against bacteria

Which diseases have vaccines helped to control?

• Cancer and diabetes

• Heart disease and stroke

• Polio, smallpox, measles, and whooping cough

• Common cold and flu

How do our bodies respond to the weakened pathogens in vaccines?

• By ignoring them

• By causing the disease immediately

• By weakening the immune system

• By producing antibodies and developing immunity

What is a significant benefit of vaccines on a larger scale?

• They are a cure for all diseases

• They help to prevent big outbreaks of disease

• They increase the number of pathogens

• They make diseases more common