In contrast to the regular seasonal epidemics of influenza, these pandemics occur irregularly. Hart Island has also been used for burials of disease victims during epidemics and pandemics. Smallpox epidemics and sleeping sickness also devastated the disrupted population. Epidemics and famine devastated the trapped survivors. Plague doctors became witnesses to numerous wills during times of plague epidemics. This military aerial spraying killed tens of thousands of people with bubonic plague epidemics. Surveillance and prompt reporting allow for containing cholera epidemics rapidly. Importantly, the plague epidemics were intermittent. The disease periodically erupted into massive epidemics. Can we understand health without considering wild diseases and epidemics? Flu spreads around the world in seasonal epidemics. He died, in Laon, during one of the many plague epidemics of the time. Waves of epidemics wiped out large rural populations. Threats of epidemics and starvation were always present. There were times of relative peace and times of epidemics and different crises.