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.
According to the MLB website, the yearly salary for MLB referees, or umpires, is between $84,000 and $300,000 as of 2011. Referees work a total of 162 games. As such their per-game salary ranges between approximately $500 and $1,800 per game.Additionally, they receive four weeks of paid vacation, hotel accommodations and first-class air tickets.s of 2011, NFL referees were paid an average of around $70,000 per season. Starting officials earn $34,000 annually compared to $120,000 for officials with more than 20 years experience.