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.
Â£600 per match. Premier League referees panel turned professional in 2001 and at that time a retainer free of around Â£30,000 was paid to the referees. But since 2010 with every referee selected in the panel signs one year contract which see him get a basic retainer free plus the match fee for every game he officiate.