What classification of bacteria has the potential to cause disease in humans?

Pathogenic bacteria are classified specifically as those that can cause disease in humans and other living organisms. This classification includes many types of bacteria that can lead to infections, illnesses, and other health-related issues. Pathogenic bacteria have virulence factors that enable them to invade host tissues, evade the immune system, and produce toxins, making them harmful.

Non-pathogenic bacteria, on the other hand, are typically harmless and often beneficial, performing essential roles such as aiding in digestion or outcompeting harmful bacteria. Similarly, beneficial bacteria are those that contribute positively to human health, such as those found in the gut microbiome. Commensal bacteria live on or in the body without causing harm, and they may even provide protective benefits.

Understanding these classifications is crucial for estheticians, as it helps inform practices related to sanitation and client safety in various procedures. Knowledge of pathogenic bacteria is particularly important when considering how to prevent infections in spa treatments or skincare services.