![]() If you're young and healthy, the flu usually isn't serious. People with a body mass index (BMI) of 40 or higher have an increased risk of flu complications. This risk continues up to two weeks after the baby is born. ![]() Pregnant people are more likely to develop influenza complications, particularly in the second and third trimesters. People who are younger than 19 years of age and receiving long-term aspirin therapy are at risk of developing Reye's syndrome if infected with influenza. American Indians or Alaska Natives people may have an increased risk of influenza complications. Examples include asthma and other lung diseases, diabetes, heart disease, nervous system diseases, metabolic disorders, problems with an airway, and kidney, liver or blood disease. Chronic conditions may increase the risk of influenza complications. This can make it easier to catch the flu and may increase the risk of developing complications. Cancer treatments, anti-rejection medications, long-term use of steroids, organ transplant, blood cancer or HIV/AIDS can weaken the immune system. People who are staying in the hospital also are at higher risk. People who live or work in facilities with many other residents, such as nursing homes or military barracks, are more likely to develop the flu. Seasonal 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 the flu or its complications include: New strains can be very different viruses from what you had before. But antibody levels may decline over time.Īlso, antibodies against influenza viruses you've encountered in the past may not protect you from new influenza strains. If future influenza viruses are similar to those you've encountered before, either by having the disease or by getting vaccinated, those antibodies may prevent infection or lessen its severity. If you've had influenza in the past, your body has already made antibodies to fight that specific strain of the virus. Influenza viruses are constantly changing, with new strains appearing regularly. Children and people with weakened immune systems may be contagious for a slightly longer time. People with the virus are likely contagious from about a day before symptoms appear until about four days after they start. Or you can pick up the germs from an object - such as a telephone or computer keyboard - and then transfer them to your eyes, nose or mouth. Influenza viruses travel through the air in droplets when someone with the infection coughs, sneezes or talks. Pale, gray or blue-colored skin, lips or nail beds - depending on skin color.Worsening of existing medical conditionsĮmergency symptoms in children can include:. ![]() Difficulty breathing or shortness of breath.For adults, emergency symptoms can include: If you have emergency symptoms of the flu, get medical care right away. Taking antiviral medication may shorten the length of your illness and help prevent more-serious problems. If you have flu symptoms and are at risk of complications, see your health care provider right away. ![]() Most people who get the flu can treat themselves at home and often don't 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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