Infection occurs when germs enter your body and multiply, resulting in disease. The four main types of infections are viral, bacterial, fungal, and parasitic.

Infectious diseases are illnesses caused by harmful germs (pathogens) that get into your body. The most common causes are viruses, bacteria, fungi and parasites. Infectious diseases usually spread …

Sep 19, 2025 · In this article, we explain the different types of infections, how to reduce the risk of infection, and what symptoms they cause.

Infections are caused by infectious agents (pathogens) including: Viruses and subviral agents such as viroids and prions. (E.g. HIV, Rhinovirus, Lyssaviruses such as Rabies virus, Ebolavirus and Severe …

Infections are due to germs. Germs are small living organisms (animals). They are a part of everyday life and are found in our air, soil, water, and in and on our bodies. Some germs are helpful, others are …

Dec 7, 2023 · Infections can have various origins and affect different parts of the body. They can be caused by opportunistic bacteria, respiratory viruses, fungal pathogens, sexually transmitted …

Rotavirus Infections RSV Infections see Respiratory Syncytial Virus Infections Rubella Rubeola see Measles Salmonella Infections Scabies Scarlet Fever see Streptococcal Infections Sepsis Septic …

Jul 11, 2025 · Explore the key types of infections—viral, bacterial, fungal, parasitic—and learn how they differ in causes, symptoms, and treatments.

Sep 20, 2022 · Common pathogens include bacteria, viruses, and fungi. When these pathogens establish themselves in your body, they can damage your tissues or organs and make you ill. …

Jul 22, 2025 · Infections can be classified in multiple ways based on their source, timing, severity, and presentation. This classification system helps healthcare professionals accurately diagnose, treat, …