Describe how flu spreads

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August undefined, 2024

WebNov 19, 2024 · The flu spreads mostly from person to person, and people with flu are most contagious in the first three to four days after their illness begins. The flu can come on suddenly. WebFeb 10, 2010 · Flu viruses are spread mainly from person to person through coughing, sneezing or talking by people with influenza. Sometimes people may become infected by touching something – such as a surface or object – with flu viruses on it and then touching their mouth or nose. Can I get 2009 H1N1 more than once? February 10, 2010

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WebApr 11, 2024 · Each of these labs had created H5N1 viruses that had gained the ability to spread through the air between ferrets, the animal model used to study how flu viruses might behave in humans. WebFeb 27, 2024 · The flu spreads several ways: through airborne coughs or sneezes, through touching contaminated surfaces like doorknobs or keyboards, through contact like handshakes or hugs and from saliva... chronic respiratory failure causes

H1N1 flu (swine flu) - Symptoms and causes - Mayo Clinic

WebSep 8, 2024 · The flu is primarily transmitted from person to person. If someone with the flu sneezes, coughs, or talks, droplets from them become airborne. If these droplets come in … WebJun 14, 2024 · The flu is contagious, which means it spreads from person to person. It mostly spreads through droplets in the air when people with flu cough, sneeze, or talk. It … WebThe Spanish flu was a pandemic — a new influenza A virus that spread easily and infected people throughout the world. Because the virus was new, very few people, if any, had some immunity to the disease. From 1918 to 1919, the Spanish flu infected an estimated 500 million people globally. derichebourg sourcing aeronautics

How the Flu Spreads — and How to Protect Yourself

Influenza pandemic of 1918–19 Cause, Origin, & Spread

WebNov 19, 2024 · The Flu: Facts, Statistics, and You. The flu, or influenza, is a contagious respiratory illness caused by viruses that infect the nose, throat, and sometimes the lungs. The flu spreads mostly from ... WebOct 30, 2024 · Many flu deaths are also caused by secondary, bacterial infections that take root in the weakened body, leading to pneumonia. Antibiotics like penicillin – discovered in 1928 – now allow ... chronic respiratory failure drugs chronic respiratory failure duration

"WebThe virus spreads quickly from person-to-person worldwide. causes much higher numbers of deaths than epidemics. often creates social disruption, economic loss, and general hardship. The influenza (flu) pandemic of 1918-1919 killed between 20 and 40 million people. It is one of the most devastating pandemics in recorded world history. 2009 H1N1 ... " - Describe how flu spreads

Describe how flu spreads

Viral diseases - Communicable diseases - AQA - BBC Bitesize

WebNov 13, 2024 · Flu is contagious. It spreads easily in crowded spaces, such as on public transport, in schools and nursing homes and during public events. When an infected … WebSep 10, 2024 · The flu usually spreads through respiratory droplets that emerge when infected people cough, sneeze, or talk. Those droplets can then land in the mouths or …

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WebThe avian flu outbreak in 1918, also called the Spanish flu, was possibly the most devastating, short-duration epidemic in history. It killed an estimated 30-50 million people … WebSep 8, 2024 · Influenza, or the flu, is a viral infection that attacks the lungs, nose, and throat. It’s a contagious respiratory illness with symptoms ranging from mild to severe. The flu and the common...

WebSep 20, 2024 · People with flu can spread it to others. Most experts think that flu viruses spread mainly by droplets made when people with flu cough, sneeze, or talk. These droplets can land in the mouths or noses of people who are nearby (usually within about … There are four types of influenza viruses: A, B, C, and D. Influenza A and B viruses … If you get sick with flu, influenza antiviral drugs may be a treatment option. … Learn about how CDC measures flu vaccine effectiveness (VE) to determine how … Shift is an abrupt, major change in a flu A virus, resulting in new HA and/or new … WebSep 3, 2024 · Epidemics are sudden disease spreads; pandemics are epidemics that spread widely. "Epidemic" and "pandemic" are two words that describe the spread of disease. "Epidemic" is used to describe a disease that has grown out of control and is actively spreading. "Pandemic" is used to describe a disease that affects a whole …

WebMay 10, 2024 · They typically spread through contaminated foods, such as uncooked meats and eggs, unwashed fruits and vegetables, and contaminated water sources. Salmonella can also spread through contact... WebMar 23, 2024 · Influenza viruses such as H1N1 infect the cells that line your nose, throat and lungs. The virus spreads through the air in droplets released when someone with the …

WebSep 13, 2024 · Key takeaways: The flu is mainly spread by breathing in air from infected people when they cough, sneeze, or talk. People can also get the flu by touching a surface that has the virus on it and then touching their eyes, nose, or mouth. You can help prevent the flu by following protective measures, such as frequent hand- washing, avoiding …

WebOct 12, 2010 · Influenza, or flu, is a virus that attacks the respiratory system. The flu virus is highly contagious: When an infected person coughs, sneezes or talks, respiratory droplets are generated and... derichebourg santa fe txWebThe influenza virus spreads from direct or indirect contact with someone else who’s infected. Common ways to get the flu include: From someone nearby coughing, sneezing or talking. Droplets can either get onto your … derichebourg thionvilleWebViruses can be divided into two groups: one group of viruses spreads only between humans, and the other group mainly spreads between animals and may spread to humans. Drastic population increase and worldwide drought led to widespread deforestation, in order to acquire more farming land and wood. derichebourg torcyWebMar 13, 2024 · When a virion attaches to a suitable host cell – this depends on the protein molecules on the surfaces of the virion and the cell – it is able to penetrate the cell. Once inside, the virus ... chronic respiratory failure hcc icd 10WebOct 6, 2024 · Swine flu, both H1N1 and H3N2v, causes respiratory infection. The CDC recommends that swine influenza be considered in people who have a fever and respiratory symptoms, especially cough or … derichebourg service paieWebOct 19, 2024 · How the flu spreads "The major mode of transmission with influenza is by droplet,” says Keith Roach, M.D., an internist at Weill Cornell Medicine and NewYork-Presbyterian. When someone with the flu … derichebourg share priceWebSome infections are spread directly when skin or mucous membrane (the thin moist lining of many parts of the body such as the nose, mouth, throat and genitals) comes into contact with the skin or mucous membrane of another person. Infections are spread indirectly when skin or mucous membrane comes in contact with contaminated objects or surfaces. derichebourg tremblay