Although humans had been suffering from malaria for centuries, the parasite that caused the disease was not discovered until the 1880s. which aspect of this parasite kept it from being discovered for so long?

Although humans have been suffering from Malaria for centuries, the parasite that caused the disease was not discovered until 1880s. This is because the parasite is a bacterium, and the test to distinguish one species of the bacterium from another was not well developed until the 1880s, this was when proper tests were established.