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.
In 2009, the senior referees for the NBA made around $550,000. There are some referees that make higher salaries than this. WNBA Referee Salaries: In the Womenâs National Basketball Association, the referees do not make as much. They average around $500.00 per game for a total of $16,000 per year. They work a shorter season, only 10 teams that play 34 regular-season games. Most of the referees work part time.