Describe how flu spreads

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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. 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 …

Flu Causes: Types, Transmission, and Prevention Tips - Healthline

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... WebJan 30, 2024 · The main way that influenza viruses are thought to spread is from person to person in respiratory droplets of coughs and sneezes. This can happen when droplets from a cough or sneeze of an infected person are propelled through the air and deposited on the mouth or nose of people nearby. Influenza viruses may also be spread when a person … how to spell stitch

Spanish Flu: What Is It, Causes, Symptoms & Pandemic - Cleveland Clinic

WebViruses 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. WebOct 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 … WebMar 20, 2024 · For each infected person, there is some probability that they’ll pass it on to others. The probability differs from person to person, but overall, let’s say the number of infected people will ... how to spell stint

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Pandemics: Definition, Prevention, and Preparation - WebMD

WebMar 28, 2024 · Outbreaks of the flu occurred in nearly every inhabited part of the world, first in ports, then spreading from city to city along the main transportation routes. India is believed to have suffered at … 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 ... rdu to swf flightsWebSep 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 … rdu to the bahamas

"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. " - Describe how flu spreads

Describe how flu spreads

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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 ... WebOct 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 …

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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 … 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

WebOct 25, 2024 · Instead, it spread through airborne droplets from human to human, and potentially, through human contact with inanimate objects contaminated with the virus and transferred to the eyes or nose. This … WebHere are the basics of the spread of serious diseases and what you can do to protect yourself, your family, and your community. ... You might hear experts use one of these terms to describe them ...

WebFeb 12, 2024 · The reproduction number for seasonal flu was corrected on March 27, 2024. ... like the current coronavirus pandemic that's spread globally since it was first identified in China. Scientists use R0 – the reproduction number – to describe the intensity of an infectious disease outbreak. R0 estimates have ... WebMar 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 ...

WebMar 6, 2024 · For older adults, doctors sometimes describe RSV as “flu without fever.” It can lead to pneumonia in older adults. RSV and COVID-19 are similar – with a few key differences. When it comes to the “tripledemic,” there is definitely overlap among RSV, COVID-19, and the flu. But there are also some important distinctions.

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 … rdu to tampa cheap flightsWebNov 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 … rdu to syracuse flightsWebThis infection is transmitted by body fluids, often during unprotected sex, but also through cuts and injecting drugs using shared needles. Immediately after infection, people often suffer mild... rdu to tucson flightsWebMay 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... rdu to taipei flightWebSep 14, 2016 · It also highlights how public health efforts to limit the spread of flu, namely widespread vaccination, can also limit the emergence of new strains. Cobey said that … rdu to vegas nonstop flightsWebThe 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 … rdu to syracuse nyWebJun 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 … rdu to sba flights