People who are staying in the hospital also are at higher risk. Some examples are nursing homes or military barracks. People who live or work in facilities with many other residents are more likely to get the flu. Influenza tends to have worse outcomes in children under age 2, and adults older than age 65. Risk factorsįactors that may increase your risk of developing H1N1 or other influenza viruses or their complications include: Children and people with weakened immune systems may be able to spread the virus for a slightly longer time. People with the virus are likely able to spread the virus from about a day before symptoms appear until about four days after they start. You can't catch swine flu from eating pork. It also can enter your body if you touch a contaminated surface and then touch your eyes, nose or mouth. The virus enters your body when you breathe in contaminated droplets. The virus spreads through the air in droplets released when someone with the virus coughs, sneezes, breathes or talks. Influenza viruses such as H1N1 infect the cells that line your nose, throat and lungs. Pale, gray or blue-colored skin, lips or nail beds depending on skin color.Worsening of existing medical conditions.Įmergency symptoms in children can include:.Signs of dehydration such as not urinating.Trouble breathing or shortness of breath.For adults, emergency symptoms can include: If you have emergency symptoms of the flu, get medical care right away. Some examples are asthma, emphysema, diabetes or a heart condition. But some people are at higher risk of flu complications.Ĭall your care provider if you have flu symptoms and you're pregnant or have a chronic disease. If you're generally healthy and develop flu symptoms, most people may not need to see a health care provider. COVID-19, cold, allergies and the flu: What are the differences? - Related information COVID-19, cold, allergies and the flu: What are the differences?.flu: Similarities and differences - Related information COVID-19 vs.
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