Heart Flu

An airborne disease with low mortality rates, lowest for children and a mortality rate rising with age, highest for the old. Immunity of the disease is gotten easily, if the individual was infected as a child, while the older one gets not only does the disease get more dangerous, the harder it is to acquire immunity, with several infections and recoveries needed to give the older immunity or resistance. There are frozen ancient samples under the Antarctic and Greenland ice sheets.

Life-Cycle of the Pathogen
It spreads through the ejection of coughing patients

Symptoms and Effects
It induces hemorrhaging in the lungs and unusually strong coughs. The lungs become covered with lesions and blood cloths making breathing difficult. It is called Heart Flu because of the simultaneous and constant increase in blood pressure of the victims.