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invasion of harmful microorganisms causing tissue damage and illness

Infections occur when harmful microorganisms such as bacteria, viruses, fungi, or parasites invade the body, multiply, and cause damage to tissues. These pathogens can trigger the immune system to respond, leading to symptoms like fever, inflammation, and other signs of illness. Understanding the type and source of infection is crucial for effective treatment and prevention.

Related Terms

• Bacterial Infections
• Viral Infections
• Fungal Infections
• Parasitic Infections
• Infectious mononucleosis
• Skin Infection
• HIV Infection
• Nail Infection
• Skin Infections
• Scalp Infection