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.
Senior nba referees: The case of senior referees is somewhat better as they earn as much as $550,000 every year. The NBRA contested this too though, as they argued that these referees earn only $400,000 per year.WNBA referees: The referees in WNBA make considerably less ($500 per game or about $16,000 per year).enior nba referees: The case of senior referees is somewhat better as they earn as much as $550,000 every year. The NBRA contested this too though, as they argued that these referees earn only $400,000 per year.