Epidemic and Pandemic

On Monday, Kari exhibits, no symptoms of a viral illness. She is sick on Tuesday and stays hone from school. On Wednesday, her friends stay home with the same illness, despite having no contact with Kari when she was sick on Tuesday. which is the most likely explanation of how the other students became sick?

• Kari was immune to the virus but infected the other students

• the virus mutated and infected the other students after Kari got sick

• Kari was infected with the virus before she experienced any symptoms

• The virus was a carrier , and the other students were infected after Kari got sick

Tags

NGSS.HS-LS3-2

The Black Plague killed about 100 million people in the fourteenth century. The bacteria that caused the plague was carried by fleas on rats and traveled great distances. Which would have most directly limited the spread of the disease?

• cleaner water sources

• refrigeration of food and water

• reduction in the rodent population

• better medicines to treat infected individuals

Which term refers to the spread of disease across a large region or sometimes worldwide?

• antibiotic

• epidemic

• pandemic

• pathogenic

Which has had the greatest impact on preventing epidemics in the twenty-first century?

• immunizations

• new medicines

• good hygiene

Which situation would most favor the spread of infectious disease?

• overcrowding

• use of vaccines

• small population

Which best distinguishes an infectious disease from a noninfectious disease?

• Infectious disease can be cured with antibiotics; noninfectious disease

• Infectious disease can be prevented with vaccines; noninfectious diseases cannot

• infectious diseases can be spread from one organism to another; noninfectious disease cannot.

• infectious disease cannot be transmitted from one organism to another; noninfectious can

THE OUTBREAK OF MANY MORE CASES OF A DISEASE THAN NORMAL.

• EPIDEMIC

• PANDEMIC

THE DISEASE THAT SPREAD WIDELY THROUGHOUT THE WORLD.

• EPIDEMIC

• PANDEMIC

Which is distinction between an epidemic and a pandemic?

• the symptoms of the disease

• the geographical area affected

• the species of organisms infected

• the season in which the disease spreads

How is the prevention of an epidemic different from the prevention of a pandemic?

• Preventing an epidemic requires the use of antibiotics, while preventing a pandemic requires the use of vaccines.

• Preventing a pandemic requires uninfected and infected people to wash their hands, while preventing an epidemic requires people to wear gloves.

• Preventing a pandemic requires vaccinating large numbers of people dispersed over a wide geographic area, while an epidemic requires vaccinating fewer people spread over a smaller area.

• Preventing an epidemic requires vaccinating large numbers of people spread over a wide geographic area, while a pandemic requires vaccinating fewer people spread over a smaller area.

Tags

NGSS.HS-ETS1-3