by Leah Chandler. Disease Etiology: Malaria is a protozoan disease, which are a group of eukaryotic single-celled organisms that infect humans and inhabit the body as parasites. Malaria is caused by four species of the protozoan genus Plasmodium, P falciparum, P vivax, P malariae, and P ovale.
The average NFL referee salary was $173,000 in 2013, and it is set to rise to $201,000 by 2019. Note that the NFL season only lasts about half the year, and for most NFL referees, refereeing is not their only job.
Highest-Paid NBA Referees â Average Salary of an NBA Referee â How Much Does an NBA Referee Make? The average salary for an NFL referee nests between $25,000 to $70,000 per year. When comparing this price to the income of the other sports referees, you will see that this is not as much.