1) Pathogen is a disease-causing bacterium, virus, or other microorganism.
Sentence: The majority of fevers created by illness disappear as soon as the immune system clears the body of the pathogen, and these fevers have no long-term consequences.
2) Aspergillosis
3) Viruses, Bacteria, Fungi, and Worms
4) Diseases that spread from one person to another are known as communicable diseases. Bacteria, viruses, and other diseases are commonly responsible. Malaria, AIDS, and other diseases are examples. Diseases that do not pass from one person to another are known as non-communicable diseases.
5) By direct or indirect contact, a disease can transfer from one person or organism to another.
6) Flu