This graph illustrates the amount of individuals in three different countries (Japan, Mexico and Brazil) who were injured by fever in 1915. Overall, the number of victims of the accident decreased by the end of the year in Japan and Mexico. However, in Brazil, that number rose widely. At the start of the year, the higher percentage of people affected by rift valley fever was in Japan. Mexicans were the most widely affected in April, but by the end of the year, Brazil reached a peak.
With regards to the number of people who got a fever, in Japan, it begins with its peak at 1500 in January before falling dramatically to about 800. In the period from May to July, it remained flat before dramatically plummeting to around 190. Likewise, Mexico had started with approximately 840 victims, and in the middle of April, it reached its peak of 1100. After it fluctuated and declined steadily to 190 people by the end of the year.
In addition, the Brazil had a visible diffrence. The line starts from the lowest amount of 200 and then soared by August around 1400, and from August to December it keeps slowly rose gradually.