1.What causative pathogen causes malaria?
Proctoctist (eukaryote)
2.Where is the global distribution of malaria?
Throughout the tropics and sub-tropics region
3.How would you define infectious disease?
A disease caused by an organism such as protoctist, bacterium or virus
4.What is one characteristic shared by both viruses and bacteria?
They can both cause disease
5.What causes malaria
Bite of infected Anopheles mosquitoes/transmitted through the sharing of needles or syringes contaminated with infected blood
6.What does a vaccine usually contain to stimulate immunity?
Dead or weakened pathogens
7.What infectious disease has a protoctist type of pathogen?
malaria
8.What is type of pathogen is TB
Bacterium (Prokaryote)
9.How does HIV affects the human immune system?
Destroys/targets the T-helper cells causing the immune system to be weaker
10.What causes tuberculosis?
It is caused by the bacterium Mycobacterium tuberculosis/Mycobacterium bovis
11.What's the meaning of transmission cycle?
The passage of a pathogen from one host to another is continually repeated as the pathogen infects new hosts
12.What is the difference between HIV and AIDS
HIV is the virus that attacks the immune system, while AIDS is the final stage of HIV infection
13.Why are vaccines effective in preventing disease?
They stimulate the production of antibodies
14.What method is used in developing countries to reduce the spread of cholera?
Improving water quality/better sanitation/better hygiene
15.Why can HIV be transmitted through a blood transfusion?
The virus is present in the blood and can be passed from an infected donor to a recipient