This is the resource is the primary source, historically, of most life threatening diseases
Bad/contaminated water
This is the most important, and usually easiest, precaution people can take to stay healthy
Wash your hands!!!
This rodent has often been blamed for the spread of the Black Death
Rats
Where did the Black Plague originate (geographic region)
Asia
Which is best for the health of a city; for it to be located near a lake or or it to be located near a river
River because it will be easier for the town to get rid of their wastes and disease carriers
This insect is responsible for the spread of most disease in the world
Mosquitoes
This creature's bites are what ACTUALLY spread the Black Plague
Fleas
Why are locusts such a threat to world health
They destroy food, and starving people are more susceptible to disease
This is the primary reason that having your garbage dump in-town increases the risk of sickness in your town
Trash piles attract/breed insects that often carry diseases such as fleas / ticks/ Mosquitoes
This is the primary reason "less economically developed nations"
Less infrastructure, harder to find clean water/ less access to medical care
This change in food preparation and storage in the early 1900s caused food to much safer and less prone to spread disease
Refrigeration
Which is worse for the overall health of a nation, widespread disease or widespread hunger
Hunger. Hungry people get sicker and die or serve as perfect incubators for new disease.
What change to city planning / waste management caused the disease rate in Europe to decrease over 90 % in the mid 1800's
Enclosing the sewers / putting the sewers underground
This in the single biggest contributor to the decrease in global disease
Vaccines
The power of what social group/entity has the improvement of medicine and medical practices most threatened during human history
Organized religion
This place in Canada claims to be rat free
Alberta province, Canada