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.
But have you ever wondered how much a WWE referee makes? The average annual salary of a professional wrestling referee is $150,000 per year. The general range of salary of wrestling referees is $73,000-$550,000 annually. In general, the skill of the referee and their experience on the job will have the most effect upon their individual salary.