difference between viruses and microorganisms
Answers
Viruses, like the common cold or influenza are not alive and must invade living cells to grow. The body’s own immune system must fight off the virus or let it run its course. Viral infections are usually accompanied by multiple symptoms such as a sore throat, runny nose, congestion, vomiting and diarrhea.
Bacteria are living organisms and can be found everywhere. There are times when the body’s immune system may not be able to fight off a bacterial infection. Antibiotics work to kill the bacteria by stopping its growth. Bacterial infections often go together with pain, aches, or sore areas of the body.
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Answer:
Bacteria and viruses can cause many common infections. But what are the differences between these two kinds of infectious organisms?
Bacteria are tiny microorganisms that are made up of a single cell. They’re very diverse and can have a large variety of shapes and structural features.
Bacteria can live in almost every conceivable environment, including in or on the human body.
Viruses are another type of tiny microorganism, although they’re even smaller than bacteria. Like bacteria, they’re very diverse and have a variety of shapes and features.
Viruses are parasitic. That means they require living cells or tissue in which to grow.
Viruses can invade the cells of your body, using the components of your cells to grow and multiply. Some viruses even kill host cells as part of their life cycle.
How are bacterial infections transmitted?
Many bacterial infections are contagious, meaning that they can be transmitted from person to person. There are many ways this can occur, including:
close contact with a person who has a bacterial infection, including touching and kissing
contact with the body fluids of a person who has an infection, particularly after sexual contact or when the person coughs or sneezes
transmission from mother to child during pregnancy or birth
coming into contact with surfaces contaminated with the bacteria, such as doorknobs or faucet handles and then touching your face, nose, or mouth
In addition to being transmitted from person to person, bacterial infections can also be transmitted through the bite of an infected insect. Additionally, consuming contaminated food or water can also lead to an infection.
Gastroenteritis is an infection of the digestive tract. It’s caused by coming into contact with stool or vomit from a person with the infection.
Food poisoning is an infection of the digestive tract caused by consuming contaminated food or liquids.
Gastroenteritis and food poisoning can be caused by both viruses and bacteria. Regardless of the cause, many times your symptoms will go away in a day or two with good home care.