Host-pathogen interactions refer to the interactions between a host organism and a pathogen. The host immune system plays a crucial role in defending against pathogens. Pathogens have evolved various strategies to evade the host immune system and cause disease.
Viral infections are caused by pathogenic viruses. They can range from mild to severe and can be treated with antiviral medications. medical microbiology and immunology lange pdf
Parasitic infections are caused by pathogenic parasites. They can range from mild to severe and can be treated with antiparasitic medications. Viral infections are caused by pathogenic viruses
Bacteria are single-celled microorganisms that lack a nucleus. They have a cell wall that provides structural support and maintains their shape. The bacterial cell wall is composed of peptidoglycan, a polysaccharide molecule that provides rigidity to the cell wall. They can range from mild to severe and
Vaccines are biological preparations that provide active acquired immunity against infectious diseases. Immunotherapies are treatments that use the immune system to prevent or treat disease.