respiratory illnesses Archives - American Stock News

What is the difference between Influenza (Flu) and COVID-19? There are some key differences between flu and COVID-19. COVID-19 seems to spread more easily than flu and causes more serious illnesses in some people. It can also take longer before people show symptoms and people can be contagious for longer. Another important difference is there is a vaccine to protect against flu. There is currently no vaccine to prevent COVID-19. The best way to prevent infection is to avoid being exposed to the virus. More information about differences between flu and COVID-19 is available in the different sections below. Because some of the symptoms of flu and COVID-19 are similar, it may be hard to tell the difference between them based on symptoms alone, and testing may be needed to help confirm a diagnosis. Flu and COVID-19 share many characteristics, but there are some key differences between the two. While more is learned every day, there is still a lot that is unknown about COVID-19 and the virus that causes it. This page compares COVID-19 and flu, given the best available information to date. Signs and Symptoms Similarities: Both COVID-19 and flu can have varying degrees of signs and symptoms, ranging from no symptoms (asymptomatic) to severe symptoms. Common symptoms that COVID-19 and flu share include: Fever or feeling feverish/chillsCoughShortness of breath or difficulty breathingFatigue (tiredness)Sore throatRunny or stuffy noseMuscle pain or body achesHeadacheSome people may have vomiting and diarrhea, though this is more common in children than adults Differences: Flu Flu viruses can cause mild to severe illness, including common signs and symptoms listed above. COVID-19 COVID-19 seems to cause more serious illnesses in some people. Other signs and symptoms of COVID-19, different from flu, may include change in or loss of taste or smell. How long symptoms appear after exposure and infectionSimilarities:For both COVID-19 and flu, 1 or more days can pass between a person becoming infected and when he or she starts to experience illness symptoms. Differences:If a person has COVID-19, it could take them longer to develop symptoms than if they had flu. Flu Typically, a person develops symptoms anywhere from 1 to 4 days after infection. COVID-19 Typically, a person develops symptoms 5 days after being infected, but symptoms can appear as early as 2 days after infection or as late as 14 days after infection, and the time range can vary. COVID-19 Symptoms How long someone can spread the virusSimilarities:For both COVID-19 and flu, it’s possible to spread the virus for at least 1 day before experiencing any symptoms. Differences:If a person has COVID-19, they may be contagious for a longer period of time than if they had flu. Flu Most people with flu are contagious for about 1 day before they show symptoms. Older children and adults with flu appear to be most contagious during the initial 3-4 days of their illness but many remain contagious for about 7 days. Infants and people with weakened immune systems can be contagious for even longer. How long someone can spread the virus that causes COVID-19 is still under investigation. It’s possible for people to spread the virus for about 2 days before experiencing signs or symptoms and remain contagious for at least 10 days after signs or symptoms first appeared. If someone is asymptomatic or their symptoms go away, it’s possible to remain contagious for at least 10 days after testing positive for COVID-19. How COVID-19 Spreads How it SpreadsSimilarities:Both COVID-19 and flu can spread from person-to-person, between people who are in close contact with one another (within about 6 feet). Both are spread mainly by droplets made when people with the illness (COVID-19 or flu) cough, sneeze, or talk. These droplets can land in the mouths or noses of people who are nearby or possibly be inhaled into the lungs. It may be possible that a person can get infected by physical human contact (e.g. shaking hands) or by touching a surface or object that has virus on it and then touching his or her own mouth, nose, or possibly their eyes. Both flu virus and the virus that causes COVID-19 may be spread to others by people before they begin showing symptoms, with very mild symptoms or who never developed symptoms (asymptomatic). Differences:While COVID-19 and flu viruses are thought to spread in similar ways, COVID-19 is more contagious among certain populations and age groups than flu. Also, COVID-19 has been observed to have more superspreading events than flu. This means the virus that causes COVID-19 can quickly and easily spread to a lot of people and result in continuous spreading among people as time progresses. People at High-Risk for Severe IllnessSimilarities:Both COVID-19 and flu illness can result in severe illness and complications. Those at highest risk include: Older adultsPeople with certain underlying medical conditionsPregnant peopleDifferences:The risk of complications for healthy children is higher for flu compared to COVID-19. However, infants and children with underlying medical conditions are at increased risk for both flu and COVID-19. Flu Young children are at higher risk of severe illness from flu.People at High Risk for Flu Complications COVID-19 School-aged children infected with COVID-19 are at higher risk of Multisystem Inflammatory Syndrome in Children (MIS-C), a rare but severe complication of COVID-19. People at Increased Risk of COVID-19 Severe Illness ComplicationsSimilarities:Both COVID-19 and flu can result in complications, including: PneumoniaRespiratory failureAcute respiratory distress syndrome (i.e. fluid in lungs)SepsisCardiac injury (e.g. heart attacks and stroke)Multiple-organ failure (respiratory failure, kidney failure, shock)Worsening of chronic medical conditions (involving the lungs, heart, nervous system or diabetes)Inflammation of the heart, brain or muscle tissuesSecondary bacterial infections (i.e. infections that occur in people who have already been infected with flu or COVID-19) Differences: Flu Most people who get flu will recover in a few days to less than two weeks, but some people will develop complications, some of these complications are listed above. COVID-19 Additional complications associated with COVID-19 can include: Blood clots in the veins and arteries of the lungs, heart, legs or brainMultisystem Inflammatory Syndrome in Children (MIS-C)COVID-19 Emergency warning signs Blood clots in the veins and arteries of the lungs, heart, legs or brainMultisystem Inflammatory Syndrome in Children (MIS-C) Approved Treatments Similarities: People at high-risk of complications or who have been hospitalized for COVID-19 or flu should receive supportive medical care to help relieve symptoms and complications. Differences: Flu Prescription influenza antiviral drugs are FDA-approved to treat flu. People who are hospitalized with flu or at high-risk of flu complications with flu symptoms are recommended to be treated with antiviral drugs as soon as possible. COVID-19 The National Institutes of Health (NIH) has developed guidance on treatment of COVID-19external icon, which will be regularly updated as new evidence on treatment options emerges. While remdesivir is an antiviral agent that is being explored as a treatment for COVID-19 and is available under an Emergency Use Authorization (EUA), there are currently no drugs or other therapeutics approved by the Food and Drug Administration (FDA) to prevent or treat COVID-19. Studies are in progress to learn more. Vaccine Similarities: Vaccines for COVID-19 and flu must be approved or authorized for emergency use (EUA) by the FDA. Differences: Flu There are multiple FDA-licensed influenza vaccines produced annually to protect against the 3 or 4 flu viruses that scientists anticipate will circulate each year. COVID-19 Currently there is no vaccine to prevent COVID-19. Vaccine developers and other researchers and manufacturers are expediting the development of a vaccine to prevent COVID-19.

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