Pathogens are disease-causing viruses, bacteria, fungi or protists. Sterilising water, preparing food hygienically, washing, vaccination and barrier contraception can reduce the spread of pathogens.
What is the first step in the life cycle of a pathogen?
Infect a host
Reproduce or replicate
What type of diseases are transmitted
What type of pathogen causes cholera?
Which of these is a vector?
Which of these is caused by a viral pathogen?
Which of these prevents the spread of diseases?
How is tuberculosis often transmitted?
Via uncooked food
Via dirty water
Through the air
What type of pathogen causes tuberculosis?
Which of these is a symptom of cholera?
Which of these is a sexually-transmitted infection?