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.
After a 15-year career, an NHL referee may be looking at an annual pay upwards of $220,000. The National Football League (NFL) pays referees anywhere from $25,000 to $70,000 per season.hey get paid extra for any over 73 (1/73 of annual salary). The top paid officials would then get $3014 per game in the NHL. For the playoffs the working refs get ~$13.5k per round.