What Are Infectious Diseases? Infectious diseases are illnesses caused by harmful organisms (pathogens or germs) that get into your body from the outside. Germs that cause infectious …

Mar 5, 2024 · Learn how germs work and what you can do to protect yourself. Germs live everywhere. There are germs, also called microbes, in the air; on food, plants and animals; …

Microbes are a vital component of fertile soil. In the human body, microorganisms make up the human microbiota, including the essential gut flora. The pathogens responsible for many …

Aug 4, 2025 · We often learn to fear them first: the germs that cause infections, the invisible enemies behind colds, food poisoning, and deadly diseases. But this is only half the story. Just …

Jun 21, 2025 · Microbial pathogens are microscopic organisms capable of causing disease, distinct from the harmless microbes that normally inhabit the human body. A pathogen’s goal …

Dec 12, 2025 · Disease is any harmful deviation from the normal structural or functional state of an organism. It generally is associated with certain signs and symptoms.

Apr 17, 2025 · Explore how microorganisms cause disease: from protective bacteria to pathogen attacks and immune responses. Understand the balance of health.

Understanding the nature of these pathogens, how they interact with the human body, and the mechanisms by which they cause disease is crucial for improving diagnostic techniques, …

Jul 23, 2025 · Harmful Microorganisms are the microbes that cause harm to humans, plants and animals. They spoil food materials and cause various infections and diseases. Harmful …

Discover how microbes cause diseases and learn prevention tips. Boost your biology grades with Vedantu.