Communicable diseases Flashcards
(17 cards)
Types of communicable diseases
Ebola, Chalara ash dieback, Malaria, Tuberculosis, Cholera, Stomach Ulcers
What type of pathogen causes Ebola?
A virus
How is Ebola transmitted?
Through bodily fluids
What is a key symptom of Ebola?
Haemorrhagic fever (fever with bleeding)
How can the spread of Ebola be reduced?
Isolating infected individuals and sterilising contaminated areas
What type of pathogen causes Chalara Ash Dieback?
A fungus
What are the symptoms of Chalara Ash Dieback?
Leaf loss and bark lesions
How does Chalara Ash Dieback spread?
Through the air by wind or by moving infected trees
What is a key method to reduce the spread of Chalara Ash Dieback?
Removing diseased young trees and restricting the movement of ash trees
What is malaria, and what effects does it have on the human body?
Malaria is caused by a protist that damages red blood cells and, in severe cases, can affect the liver.
How is malaria transmitted, and what role do mosquitoes play in its spread?
Malaria is transmitted by mosquitoes, which act as animal vectors. They carry the protist and pass it to humans without being affected themselves.
What are the most effective methods for preventing malaria transmission?
Using mosquito nets and insect repellent helps prevent mosquito bites, reducing the spread of malaria.
What pathogen causes cholera, and what are the key symptoms experienced by infected individuals?
Cholera is caused by bacteria, leading to severe diarrhoea and dehydration.
How does cholera spread, and why are contaminated water sources a major risk factor?
contaminated water,
What measures can be taken to reduce the risk of cholera outbreaks?
Ensuring clean water supplies and proper sanitation significantly reduces the spread of cholera.
What pathogen causes tuberculosis, and what symptoms are commonly associated with the disease?
Tuberculosis is caused by bacteria leading to coughing, chest pain, and lung damage.
How is tuberculosis transmitted, and what precautions should infected individuals take to prevent spreading it?
prevented by good hygiene & ventilation.