3. Types of infection

Infections can be categorized as viral, bacterial, fungal, protozoan, prion, and parasitic. Some viral infections are influenza, rotavirus, chicken pox, HIV, and herpes. Pneumonia, tetanus, cellulites, chlamydia, gonorrhea, etc. are the common bacterial infections. Fungal infections are ringworm, candidiasis, and athlete's foot. Malaria and African sleeping sickness are common protozoan infections transmitted through plasmodium and tsetse fly, respectively. Prion is the poisonous entities or protein infection particles which cause fatal neurodegenerative disease. Amebiasis, dysentery, and coccidiosis infections are caused by parasites. Antibiotics are the major agents to cope and fix these infections. There are mainly two types of antibacterial agents, i.e., synthetic antibiotics and natural antibiotics. In the following section, we will discuss antibiotics, natural antibiotics, and their mode of action.
