It causes viral gastroenteritis, with acute onset of vomiting and diarrhoea that lasts between four to seven days. There is no cure for this disease; treatment is supportive and consists of fluid and salt replacement either orally or intravenously. A rash may start on the face and spread to the rest of the body. Fever, sore throat and fatigue may also occur.
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The Star disclaims all responsibility for any losses, damage to property or personal injury suffered directly or indirectly from reliance on such information. What is a virus? Laos 23h ago Australia donates 1,, doses of Covid vaccine to Laos.
They are unable to multiply by mitosis, or cell division, like bacteria do. Here are some of common viruses in our region: Adenovirus. Dengue virus. Hepatitis B virus. Herpes viruses. Human immunodeficiency virus HIV.
Human papillomavirus HPV. Measles virus. Mumps virus. Rabies virus. Rubella virus. Article type: metered. Related stories: Covid facts: The treatment and risk of death from the virus Covid facts: Preventing and detecting the virus Covid FAQ: Face masks — what you need to know. Join our Telegram channel to get our Evening Alerts and breaking news highlights.
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Advances in modern medicine have helped to stop the spread of many viral infections through mass vaccination, and some infections have been completely eradicated.
Viruses gain their infamy through a combination of large infection rates and death, even when their power has been relatively subdued. Rabies, measles and chickenpox are still notorious, even though vaccines and medications have drastically reduced their deadliness. There are three different virus types that are made distinct by their shape. The cylindrical helical virus type is associated with the tobacco mosaic virus. Envelope viruses, such as influenza and HIV come covered in a protective lipid envelope.
Most animal viruses are classified as icosahedral and are nearly spherical in shape. The viruses within these categories share similar characteristics. Viruses are also the most abundant biological form of life on the planet. The first thing a virion does is enter a cell and becomes a virus. Next, it reproduces, creating viral protein and genetic material instead of the usual cellular products. A virus can then spread through a wide variety of means, such as touching, coughing and sneezing.
The body fights viruses by breaking down the viral genetic material via RNA interference. The immune system then produces antibodies that bind to viruses to make them noninfectious. Lastly, T cells are sent to destroy the virus.
Antiviral drugs can treat viruses by inhibiting viral development and slowing down disease progression. These drugs help fight the flue, chickenpox and forms of hepatitis. Vaccines create a herd immunity that helps prevent an outbreak. There are five different types of viruses: Conjugate vaccines, inactivated vaccines, live, attenuated vaccines, subunit vaccines and toxoid vaccines. There are many viral diseases.
Some, such as the common cold or the stomach flu, are minor and go away on their own within a few days. Others, however, are more serious. Instead, treatment usually focuses on managing symptoms and supporting the immune system with plenty of rest and hydration.
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