transmission of pathogens

• what are the stages of a pathogen's life cycle?

  They travel from one host to another, they enter the host tissue, they reproduce, they leave the tissue.
• what are the 3 main forms of direct transmission?

  Direct physical contact

  Faecal-oral contact

  Droplet infection

  transmission via spores.
• Describe direct physical contract as a form of direct contact?

  Such as touching a person who is infected, or touching contaminating surfaces that harbor the pathogen
• In terms of direct physical contact, what are some factors that affect transmission?

  Hygiene- washing hands regularly, keeping surfaces clean, cleaning and disinfecting cuts, sterilizing surgical instruments, and using a condom during sexual intercourse.
• In terms of Faecal-oral transmission, what are factors that affect transmission of a pathogen?

  Using human sewage to fertilise crops is a common practice. treatment of waste water and treatment of drinking water. thorough washing of all fresh food, using treated water. careful preparation and thorough cooking of all food.