The cost to build a septic tank system varies widely, depending on your location. According to SepticTankGuide.com, a standard or conventional gravity system for a 3-bedroom home on a level site with good soil would likely cost from $1,500 to upward of $4,000.
Malaria is spread by the bite of an infected Anopheles mosquito. With certain malaria species, dormant forms can be produced which may cause relapses of malaria months to years later. Malaria may also be transmitted by transfusion of blood from infected people or by the use of contaminated needles or syringes.
Malaria causes. Malaria is caused by protozoan of the genus Plasmodium. 1  Infection begins with a bite from an infected mosquito. 2  The parasite travels from the mosquito to your liver, where the parasite begins to reproduce. 3  The parasite leaves the liver and travels to the bloodstream, where it infects red blood cells.