Normally, the Classic period in Mesoamerica is characterized as the stage in which the arts, science, urbanism, architecture, and social organization reached their peak. This period was also dominated by the influence of Teotihuacan throughout the region, and the competition between the different Mesoamerican states led to continuous warfare.
The most common name for the killer virus, the Spanish flu, implied, of course, that it originated in Spain. Perhaps this was because there were serious outbreaks in both Madrid and Seville that infected eight million people in May of 1918 alone, even almost taking out the king himself, Alfonso XIII.
Influenza, more commonly known as âthe flu,â is caused by a contagious virus. Symptoms include body aches, sore throat, headache, fever, coughing, and chills. Perhaps because influenza is so common, misconceptions about the disease abound. Smallpox: Smallpox is a serious, contagious, and sometimes fatal infectious disease caused by the variola virus. 2  Historically, smallpox had a mortality rate of as much as 30 percent. 3  In the Americas, it killed as much as 90 percent of the indigenous population after contact with Europeans introduced the disease.