When the world is fallen

During the existence of life on Earth, all kinds of living microorganisms exist among us, even before the first human arrived on this planet. Mankind has learned to coexist with those small and invisible companions. Viruses, fungus, bacteria etc. Humans have developed overtime build an immune system to defeat invisible enemies. Our amazing body are equipped with invisible soldiers to defeat the invaders. Such soldiers are called antibodies, these antibodies work as a shield to protect us from the enemy. Pandemics have been existed along human history. Humanity has developed resilience to survive terrible events Many of these events lead to death, famine and the financial problems. Humans are nomadic, travel from place to place, we are the spread of the infectious diseases all over the world. The outbreaks are nearly constant. Now days, in the modern era we are still fighting with epidemies and pandemics. These will go on forever. Here are some Timeline of Historical Pandemics:

Antonine Plague 165-180 CE / believed to be either smallpox or measles. Death toll 5M.