Bubonic plague
Bubonic plague outbreaks are controlled by pest control and modern sanitation techniques. This disease uses fleas commonly found on rats as a vector to jump from animals to humans. The mortality rate hits its peak during the hot and humid months of June, July, and August. Furthermore, the plague most affected those of poor upbringing due to greater exposure, poor sanitation techniques and lack of a healthy immune system due to a poor diet. The successful control of rat populations in dense urban areas is essential to outbreak prevention. One example is the use of Sulfurozador, a fumigation chemical used to eradicate the pest that spread the bubonic plague, in Buenos Aires, Argentina during the early 18th century. Targeted chemoprophylaxis, sanitation, and vector control also played a role in controlling the 2003 Oran outbreak of the bubonic plague. Another mean of prevention in large European cities was a city-wide quarantine to not only limit interaction with people who were infected, but also to limit the interaction with the infected rats.