into heaven with good deeds in their earthly lives. Dionysius describes how Christians looked after the ill during the Plague of Cyprian: “Heedless of danger, they took charge of the sick, attending to their every need.” Christians would have been able to reduce mortality by up to two-thirds just with basic nursing, such as providing food and water.[48] The fact that so many more Christians survived, and that Christians managed to save pagans abandoned by their families, would have provided the best recruitment material any religion could ask for: miracles.
It could be said then that Chrisitnaity was seen as a "medicine" - it protected its followers from infection, thereby increasing its use and popularity.