The source of the pathogen is:

  • abiotic environmental objects containing causative agents of infectious diseases
  • an object that is a place of natural activity of the pathogen, from which infection in susceptible organisms can occur
  • set of natural habitats of infectious disease pathogens
  • the species of living organisms that is the natural habitat of pathogens of infectious diseases

К сожалению, у нас пока нет статистики ответов на данный вопрос, но мы работаем над этим.