Parasites are organisms that behave like tiny animals, living in or on a host and feeding from or at the expense of the host. Though parasitic infectionsare more common in tropical and subtropical regions, they can occur anywhere. Three main types of parasites can cause disease in humans. These include: 1. … See more Viruses are made up of a piece of genetic code, such as DNA or RNA, and protected by a coating of protein. Once you’re infected, viruses … See more Bacteria are microorganisms made of a single cell. They are very diverse, have a variety of shapes and features, and have the ability to live in … See more There are millions of different fungal species on Earth. Just 300Trusted Sourceor so are known to cause sickness. Fungi can be found just about everywhere in the environment, … See more Webneed helps disease spread answer key vocabulary: disease, epidemic, infect, infectious disease, pathogen prior knowledge questions (do these before using the
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WebPathogens are often spread through coughing, sneezing, and physical contact between people. They can also be spread through contamination of water supply, or through the … WebIt can be spread to humans and other animals by infected rat fleas. People usually get plague from being bitten by a rodent flea that is carrying the plague bacterium. Insects … fix recliner couch
How do vaccines work?
WebDec 30, 2024 · A human acting as a reservoir of a pathogen may or may not be capable of transmitting the pathogen, depending on the stage of infection and the pathogen. To help prevent the spread of disease among school children, the CDC has developed guidelines based on the risk of transmission during the course of the disease. WebThe antimicrobial-resistant germs survive and multiply. These surviving germs have resistance traits in their DNA that can spread to other germs. Spread of Germs & Resistance Mechanisms To survive, germs can develop defense strategies against antibiotics and antifungals called resistance mechanisms. WebMost diseases that spread through the air are also contagious through larger respiratory droplet transmission. This type of infection occurs when people are within 6 feet of each … canned sweet peas nutrition