Pathogen
A pathogen is a microorganism that can cause disease or illness in a host, often entering the body through contact with contaminated surfaces, water, or food, or through bites from insects or animals. Common types of pathogens include bacteria, viruses, fungi, and parasites. Each has unique characteristics that determine how they spread, how they affect the body, and how they can be treated or prevented.
For instance, bacteria are single-celled organisms that can be found virtually everywhere, some of which are harmful and can result in diseases such as strep throat. Meanwhile, viruses are even smaller entities that invade living cells to reproduce, often causing illnesses like the flu. Fungi include yeast and molds that can cause infections like athlete's foot. Parasites are organisms that live on or in a host, sometimes causing infections such as malaria.
Understanding pathogens is crucial for developing ways to prevent and manage diseases, including through the use of hygiene practices, vaccines, and medications. Awareness and prevention strategies are vital in controlling the spread of infectious diseases caused by these pathogens, ensuring public health safety.
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Absence from work is when an employee is not present during scheduled working hours due to various reasons like illness or personal commitments.
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"Acute" refers to a medical condition that appears suddenly and resolves over a short time.
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Addiction is a compulsive engagement with substances or behaviors that negatively impact one's life.
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ADHD is a common condition affecting attention, impulse control, and activity level, characterized by symptoms like distractibility, impulsivity, and restlessness.
ADL (activities of daily living) refers to essential daily self-care tasks, crucial for maintaining independence and well-being.
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