Copy of How Pathogens are Spread (5/28/2026)

Last updated about 2 hours ago

12 questions

Copy of How Pathogens are Spread (5/28/2026)

Last updated about 2 hours ago

12 questions

Why? 
Communicable diseases are spread between individuals by different methods, but they are all caused by pathogens, which are commonly called “germs.” Knowledge of pathogens and the ways in which they can be spread helps humans understand and prevent disease outbreaks.

Explain your answer to 1d.

Where exactly on the map does the size and concentration of the boxes appear to be the highest? _______ 

Is there a relationship between the number of black boxes and any of the water pumps? Be specific and detailed in your answer.

Based on the information provided in the map, propose a way cholera may be transmitted.

Based on this information, what action would you have taken if you had been responsible for public health in London in 1854?

Read This! 
Dr. John Snow is often referred to as the “father of epidemiology.” Epidemiology is the study of the causes and spread of infectious diseases. Dr. Snow’s study of the cholera outbreak of 1854 led to the discovery of the cause of this epidemic.

Considering all of the different ways disease may be transmitted, which modes are more likely to cause large numbers of individuals to get sick in the United States? Explain your reasoning.

Why might diseases transmitted by vectors be harder to control than those transmitted by other means?

In the 14th century in Europe, the bubonic plague killed approximately one third of the population. Bubonic plague is caused by the bacteria Yersinia pestis, which is spread by an insect vector carried by rats and other rodents. This disease can be spread to other animals besides humans. How is control of a disease such as bubonic plague complicated by the fact that it spreads across multiple animal species?