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The cold and flu are both respiratory infections, but theyre caused by different viruses. Colds can be caused by more than 200 distinct viruses, according to the Centers for Disease Control and Prevention, while there are only a handful of viruses that cause Flu. Flu is usually more intense than common cold, say CDC. Cold symptoms tend to develop gradually, while flu symptoms can come on suddenly, without warning, per the CDC. Learn More About Differences Between Cold and Flu Cold symptoms can differ from person to person, but they generally appear about one to three days after exposure to cold - causing virus. In most cases, cold symptoms will peak within two to three days. Signs that you have a cold usually develop slowly. The most common cold symptoms include fatigue, sore or scratchy throat, nasal congestion or stuffiness, and runny nose, followed by sneezing and coughing. Fever is not typical with cold, but low - grade fever isnt out of the question, according to Merck Manual. Mucus discharged by runny nose may change color over the course of illness, starting out clear and becoming thicker, yellow, or green. Postnasal drip, in which mucus accumulates or drips in the back of the throat, can further aggravate sore throat or cough. Symptoms usually disappear in 4 to 10 days, although cough often lasts into the second week. Colds may last longer or be more severe in people who have chronic health issues. If your symptoms persist for more than 10 days or keep coming back, then something else may be going on, such as allergies, sinusitis, or secondary infection. Fever is an important sign, says Norman Edelman, MD, professor of preventive medicine, internal medicine, physiology, and biophysics at State University of New York at Stony Brook on Long Island. Adults with fever of 102 degrees F or higher and children with fever of 103 degrees F or higher should see a doctor. The contagious period for common cold has its own life span. A cold is most contagious during the first day or two after symptoms develop. Flu symptoms usually start within one to four days after infection. Unlike common cold, effects of influenza virus infection can come on very suddenly. The first signs of flu are often fever or chills, accompanied by headache, sore throat, dry cough, runny nose, muscle aches, and fatigue. As illness progresses, person may have warm, flush skin, watery or bloodshot eyes, severe cough that produces phlegm, and nasal congestion. Nausea and vomiting may also occur, especially among children, according to Merck Manual. A Bouts of Flu typically last for several days or occasionally weeks, with severe symptoms subsiding in two to three days. However, weakness, fatigue, dry cough, and reduced ability to exercise can linger for six to eight weeks.
Influenza, often just called flu, is a respiratory illness that is caused by a virus. It is contagious, meaning it spreads from person to person. While influenza viruses can circulate year - round, theyre more common in the fall and winter months of the year. This period is referred to as flu season. But once you get the virus, how long does it take to start feeling flu symptoms? This period of time is known as the incubation period. The incubation period for flu is usually between one and four days. Read on to learn more about how flu develops and when it becomes contagious.
Most people who get the flu can treat themselves at home and often don't need to see a doctor. If you have flu symptoms and are at risk of complications, see your doctor right away. Taking antiviral drugs may reduce the length of your illness and help prevent more - serious problems. If you have emergency signs and symptoms of the flu, get medical care right away. For adults, emergency signs and symptoms can include: difficulty breathing or shortness of breath Chest pain Ongoing dizziness Seizures Worsening of existing medical conditions Severe weakness or muscle pain difficulty breathing Blue lips Chest pain Dehydration Severe muscle pain Seizures Worsening of existing medical conditions
Once you have influenza virus, you can spread it to other people about a day before you first notice symptoms. Remember, average incubation period for flu is about two days. So, if you come into contact with the virus on Saturday morning, you can potentially start spreading it to others by Sunday evening. And by Monday afternoon, youll likely start feeling dread body aches that come with the flu. Viral shedding refers to the release of virus from your body into your surrounding environment. It tends to peak during your first day experiencing symptoms. This means youre usually most contagious on this day. Once you develop symptoms, youll still be contagious for another five to seven days. Children, older adults, and those with weakened immune systems may be contagious for longer periods of time.
People with flu are most contagious in the first three to four days after their illness begin. Most healthy adults may be able to infect others beginning 1 day before symptoms develop and up to 5 to 7 days after becoming sick. Children and some people with weakened immune systems may pass the virus for longer than 7 days. Symptoms can begin about 2 days after the virus enters the body. That means that you may be able to pass on the flu to someone else before you know you are sick, as well as while you are sick. Some people can be infected with the flu virus but have no symptoms. During this time, those people may still spread the virus to others.
Flu is a respiratory infection that affects many people each year. Anyone can get the virus, which can cause mild to severe symptoms. Fever body Aches, runny nose, coughing, Sore throat Fatigue These symptoms typically improve in about a week, with some people fully recovering without complications. But in older adults whose immune systems might be weaker, flu can be dangerous. The risk of Flu - related complications like pneumonia is higher in older adults. Up to 85 percent of seasonal Flu - related deaths occur in people who are 65 or older. If youre in this age group, it is important that you know how to protect yourself before and after exposure to virus. It is also even more important to take precautions this year, since COVID - 19 is still a factor. Here look at practical ways to keep yourself safe during this doubly dangerous flu season.
Doctors tell you to stay home when you have the flu, so you do make other people sick. But how long do you have to shut yourself away? Hereas how to know when you can be out and about again. About week. Typically, youare contagious from 1 day before you have any symptoms. You stay that way for 5 to 7 days after you start feeling sick. Viruss can be spread until symptoms disappear. Most of the time, itas through droplets in the air. Sick people sneeze or cough out beads of moisture that contain the flu virus. They can travel up to 6 feet. You are exposed to flu virus when you breathe droplets in, or if they land in your mouth, nose, or eyes. You can also get it if you touch those droplets land - like desk, counter, or doorknob - and then touch your face. Virus can live on hard surfaces for up to 48 hours. Some experts believe you are most likely to spread viruses in the first 3 to 4 days. This is because the more you cough and sneeze, more droplets you shoot into the air and onto objects around you. Is there a way to tell if I am still contagious? Fever is a definite sign. You should stay home for at least 24 hours after your temperature goes back down on its own. That means without the help of medicine No. You can still make other people sick even if youare taking antiviral mediations that treat flu. Cdc recommends four FDA - approved drugs to treat flu: baloxavir, marboxil, oseltamivir, peramivir, and zanamivir. These drugs could shorten the time that youare sick. And they might shorten the length of time that you can spread the flu. When it comes to the flu, ounce of prevention really is worth a pound of cure. Listen to your doctor: Stay away from people when you are sick, even if you feel better. Itas only way not to spread the flu.
Human coronaviruses are common throughout the world. The most recent coronavirus, COVID - 19, was first identified in Wuhan, China and is associated with mild - to - severe respiratory illness with fever and cough. The virus that causes COVID - 19 is infecting people and spreading easily from person - to - person. Cases have been detected in most countries worldwide and community spread is being detected in a growing number of countries. On March 11, COVID - 19 outbreak was characterized as a pandemic by the World Health Organization. Coronaviruses are a group of viruses that are common in both humans and animals that usually cause mild - to - moderate respiratory illnesses. The source of COVID - 19 is suspected to be animals in open air market and is possibly previously unrecognized bat coronavirus. It appears to cause more severe illness progressing to pneumonia. This is a rapidly evolving situation. More is being learnt about this new virus every day and updates are available on the CDC website. Covid - 19 is a new type of coronavirus, emerging late in 2019. Because it is a new virus, public health professionals are still learning more about its transmission, symptoms and severity. To date, flu is more likely to appear with rapid onset of illness, high fever and prominent headache and body aches. In contrast, COVID - 19 may present with slower onset of illness, mild headache and body ache and mild / absent fever. This is a very difficult question to answer as there is no universal answer. Base on what we currently know about Flu and COVID - 19 disease, which we are continuing to learn more about, both may present issues for very young, elderly, and those with underlying medical conditions. If you have questions about the coronavirus, talk with your doctor. More information on coronavirus is available from CDC: www.
|Signs and Symptoms||Influenza||Cold|
|Fever||Usual; lasts 3-4 days||Rare|
|Aches||Usual; often severe||Slight|
|Chest discomfort, cough||Common; can be severe||Mild to moderate; hacking cough|
Everyone older than 6 months should get Flu Vaccine. Flu Vaccines are available as shots or as nasal spray: shots contains kill Flu Viruses. Nasal spray contains weakened live Flu virus, which can't actually cause flu. Both will make your body create antibodies that fight off infection if you come into contact with live flu virus, and both work equally well. This Flu Season, get whichever vaccine your doctor recommend. People with weak immune systems or some health conditions and pregnant women should not get nasal spray Vaccine. If you have egg allergy, get your flu shot in doctor's office, not at supermarket, drugstore, or other venue. Most people don't have reactions to Flu shot,s although few may notice fever, sore muscles, and tiredness. Nasal spray Vaccine might cause mild Flu - like symptoms. Flu Vaccine is usually given a few weeks before Flu Season begins to allow the body time to develop antibodies beforehand. It's best to get it before the end of October. But you can still get flu vaccines even after Flu Season start. What else can you do? Wash your hands well and often. Avoid sharing cups, utensils, or towels with others. If you do catch the flu, use tissue whenever you sneeze or cough to avoid spreading the virus. If you do get the flu this season, take care of yourself and call your doctor with any questions or concerns. When you re feeling bad, remember that the flu usually lasts a week or less and you 'll be back to normal before too long.
Flu symptoms often appear suddenly. People at higher risk of complications, such as those with chronic lung disease, should seek prompt medical attention. Treatment may include antiviral medicine which can reduce symptoms if started within a day or two of getting sick. Sudden onset of high fever, headache, muscle aches and joint pain Cough chills, sore throat Nasal congestion and runny nose Fatigue Stomach symptoms such as nausea, vomiting or diarrhea may occur, but are more common in children than adults. Most people recover from flu within one or two weeks, but others, especially the elderly, may feel weak for a long time even after other symptoms go away. Flu symptoms in school - age children and adolescents are similar to those in adults. Children tend to have higher temperatures than adults, ranging from 103F to 105F. Flu in preschool children and infants is hard to pinpoint since its symptoms are so similar to infections caused by other viruses. If the symptoms mentioned above are present and the flu is circulating in your area, please contact your healthcare provider immediately.
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