Health Conditions A-Z Infectious Diseases Can Adults Get RSV From Kids? Here's What to Know About This Contagious Virus That's on the Rise Doctors don't know why this virus is spiking in children right now. By Korin Miller Korin Miller Twitter Korin is a former New Yorker who now lives at the beach. She received a double B.A. in International Relations and Marketing from The College of William & Mary (which she doesn’t use at all now) and an M.A. in Interactive Journalism from American University. Korin is a health reporter who has been published in The Washington Post, Prevention, Cosmopolitan, Forbes, Women’s Health, and Yahoo, among others. When she’s not working, Korin enjoys biking, eating tacos, and trying to keep up with her kids. She can pretty much always be found at the beach. health's editorial guidelines Published on August 10, 2021 Share Tweet Pin Email Respiratory syncytial virus, aka RSV, is skyrocketing across the country right now, a time of year when cases should be nonexistent. Hospitals have reported an increase of RSV diagnosed in children, and on July 24 more than 34% of antigen tests for the virus came back positive, according to data from the Centers for Disease Control and Prevention. Basically, there's a lot of RSV floating around out there, and doctors and researchers are wondering why. Usually by the summer, "everybody who is going to get it that year has gotten it already," John Brancato, MD, an emergency medicine physician at Connecticut Children's, tells Health. "There was almost no RSV last year due to people staying in because of the pandemic," he says. "This year, there's a lot of susceptibility to it as people are resuming their lives." RSV is a contagious virus; it tends to spread pretty rapidly in kids and can infect adults, too. Here's what you need to know about this virus and if you're at risk of catching it from children. Getty Images What is RSV, exactly? RSV is a common respiratory virus that usually causes mild, cold-like symptoms, according to the CDC. It's the most common cause of bronchiolitis (inflammation of the small airways in the lungs) and pneumonia (inflammation of the lungs) in kids under the age of one in the US. RSV is spread through infected droplets that you can breathe in, the CDC explains. You can also get RSV from touching an infected surface that someone has coughed or sneezed on, and then touching your eyes, nose, or mouth. Most people get better after a week or so, but RSV can be serious, especially in infants and the elderly. RSV is common: Almost all children will have had an RSV infection by their second birthday, the CDC says. What Is RSV? The CDC Issued a Warning About This Infectious Disease—Here's What Experts Say What are the symptoms of RSV? People usually develop symptoms of RSV between four to six days after they're infected, the CDC says. Those symptoms can include: Runny noseDecrease in appetiteCoughingSneezingFeverWheezing The symptoms may not show up all at once, and usually roll out in stages. How contagious is RSV? It's really contagious. "It's not quite as contagious as the COVID-19 Delta variant, but it's very contagious through infected droplets in the same way that a lot of respiratory viruses are contagious," Danelle Fisher, MD, pediatrician and chair of pediatrics at Providence Saint John's Health Center in Santa Monica, California, tells Health. "It's one of the most contagious respiratory viruses out there," Dr. Brancato says. "In most years, we have a large number of patients who come into our emergency department for evaluation in fall through winter because of RSV." But again, this year, RSV is really taking off across the country during the summer. "It's thriving right now," Dr. Fisher says. The CDC Is Withdrawing Its Original PCR Test for COVID—Here's Why That's a Good Thing Can adults get RSV from kids? Unfortunately, yes. "Adults can absolutely get RSV from kids," Dr. Fisher says. It just might look a little different in an adult. "When adults get RSV, they tend to get symptoms of the common cold," Dr. Fisher says. "When kids get it, they tend to get signs of the common cold, plus wheezing." If you're otherwise healthy and you get RSV, "you'll feel like you have a cold—nothing more serious than that," Dr. Brancato says. But if you have a chronic lung or heart condition, or a weakened immune system, the CDC says you're at risk of developing a more serious form of RSV. That can include coming down with pneumonia, more severe symptoms if you have asthma or COPD, and even congestive heart failure, which is when your heart can't pump blood and oxygen to your tissues. What Is a COVID 'Breakthrough' Infection—And What Should You Do If You Get One? How to lower your risk of RSV If you're worried about getting RSV, the CDC says there are a few things you can do to lower your risk of getting the virus: Wash your hands often That means really washing them, like with soap and water for at least 20 seconds. When soap and water aren't available, use an alcohol-based hand sanitizer. Don't touch your face Try to keep your unwashed hands off your eyes, nose, and mouth. Try to avoid close contact with people who are sick Don't kiss or share cups or utensils with people who have cold-like symptoms. Clean and disinfect surfaces regularly It's a good idea to regularly clean high-touch surfaces at your place, like doorknobs, toys, and countertops. Again, if you happen to get RSV, don't panic: The odds are high you'll be fine—just a little stuffy. To get our top stories delivered to your inbox, sign up for the Healthy Living newsletter Was this page helpful? Thanks for your feedback! Tell us why! Other Submit