You must complete Non-contact Games: Swimming to unlock this Lesson.
DISEASES VECTORS
CONTENT
- Meaning of Disease
- Diseases Vectors
- Life Cycle of the Mosquito
- Life Cycle of Malaria
- The Housefly; Life Cycle of the Housefly
- Life Cycle of the Tsetse fly
- Control Measures of Mosquitoes; Carrier of Malaria
- Control Measures of Housefly; Carrier of Dysentery
- Control of Tsetse fly
Meaning of Disease
Disease means illness or disorder of the body or mind. The agents causing diseases are called pathogens. The science and the study of diseases are called pathology.
Diseases’ causative agents are viruses, rickettsiae, bacteria, spirochetes, fungi, protozoa, and worms.
Diseases Vectors
Diseases vectors are animals which transmit disease-causing organisms (pathogens) from an infected person to an uninfected person without being infected. They assist in carrying microorganisms or microbes. They are mainly insects, molluscs and some mammals. Examples of vectors are:
- Mosquito.
- Cockroach.
- Housefly.
- Tsetse fly.
- Dogs and cats.
- Rat.
- Blackflies.
Life Cycle of the Mosquito
Malaria is an infectious disease caused by a parasite called Plasmodium.
You are viewing an excerpt of this lesson. Subscribing to the subject will give you access to the following:
- NEW: Download the entire term's content in MS Word document format (1-year plan only)
- The complete lesson note and evaluation questions for this topic
- The complete lessons for the subject and class (First Term, Second Term & Third Term)
- Media-rich, interactive and gamified content
- End-of-lesson objective questions with detailed explanations to force mastery of content
- Simulated termly preparatory examination questions
- Discussion boards on all lessons and subjects
- Guaranteed learning
ClassHall Instructor
Abrahan Yisa