RSV, short for respiratory syncytial virus, is a very common virus that usually leads to mild cold-like symptoms, with most people recovering at home in a few weeks. RSV can be more serious in infants and young children who might need treatment in a hospital. With COVID-19 still looming and flu season underway, it can be challenging to tell viruses apart. As with any other virus, understanding how to protect yourself and your loved ones can go a long way.
Here are some common questions and answers to help you understand the virus and the steps to take to stay healthy.
Symptoms vary depending on age. For instance, older children usually experience common cold symptoms, such as a runny nose, low-grade fever, or barking cough. While very young infants may be irritable, sluggish, and have trouble breathing. In severe cases, infants may turn blue due to the lack of oxygen. Symptoms usually show up 4 to 8 days after infection.
"RSV can cause cold symptoms in all of those infected, but infants and toddlers may contract RSV bronchiolitis, which is infection of the lower respiratory tract" says Dr. Madeline Fisher, CHI Saint Joseph Medical Group – Primary Care. "Signs of bronchiolitis include wheezing, noisy breathing, fast breathing, belly breathing, or retractions (tugging between or below the ribs or of the lower neck). The symptoms are usually worst around day 5 of illness."
RSV spreads easily between people. A sick person can spread the virus when they cough, sneeze or blow their nose near others. The virus can also spread when someone touches their face after touching an object contaminated with the virus, such as a toy or doorknob.
People are most contagious during the time they are showing symptoms, which is usually for up to a week. If you’re around someone with RSV, washing your hands often is important to limit the spread.
Dr. Fisher says that using the same techniques you use to prevent other viruses and illnesses can help prevent RSV.
"The best ways to prevent RSV are to avoid crowds, wash hands and disinfect surfaces often (RSV can survive for up to 6 hours on hard surfaces) and stay up to date with other recommended vaccines."
Most RSV infections go away on their own in a week or two. Because RSV is caused by a virus, antibiotics are not used to treat it. Bronchodilators are sometimes used in children who are wheezing or having difficulty breathing. In more severe cases, treatment may include supplemental oxygen, fluids through a vein, and a ventilator.
Most people get RSV as babies, and almost all children get it by the time they turn 2–which they usually catch in school or daycare. Babies born right before or during the pandemic may not have built enough immunity due to masking and social distancing.
That, according to experts, may explain the recent surge in cases.For many children under 2, this may be their first time going to daycare or traveling. This is also when many parents are returning to the office and potentially bringing viruses home.
While most people get RSV during early childhood, repeat infections are possible. That means that people of any age can be infected. Certain children and older adults may be more prone to complications, including:
Premature infants
Young children born with heart or chronic lung disease
Young children with weakened immune systems due to a medical condition or medical treatment
Children with neuromuscular disorders
Adults with compromised immune systems
Older adults, especially those with underlying heart or lung disease
RSV is most common from fall to spring, which lines up with the flu and cold season. The symptoms of all three viruses are very similar in mild cases, so you won’t be able to tell what it is on your own. If your child is younger than six months, you should speak with your doctor or advanced practice provider as soon as symptoms appear. Older, healthy children or adults with no underlying conditions should get plenty of rest and fluids and take over-the-counter medication to relieve symptoms.
Beware of giving children cold medicines before consulting your doctor. And as with other infectious diseases, the best way to prevent the spread is to wash your hands often, cover your coughs and clean surfaces.
"There is no treatment for RSV itself, since it is caused by a virus," says Dr. Fisher. "Things that can help make children more comfortable are nasal saline with gentle suctioning for management of congestion to help make feeding and breathing easier, fluids and frequent feedings, a cool-mist humidifier, and acetaminophen or ibuprofen (if older than 6 months) for fever. Bronchodilators are no longer routinely prescribed for RSV, but may be appropriate if certain lung conditions are present."
Breathing problems are cause for concern and require immediate medical help. Other signs you should watch out for include difficulty breathing, high fever, shortness of breath, or a bluish tint to the skin.
Sources:
Respiratory syncytial virus (RSV): MedlinePlus Medical Encyclopedia
RSV (Respiratory Syncytial Virus) | CDC
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