RSV (respiratory syncytial virus) requires both contact and droplet precautions. In healthcare settings, this means the virus spreads through respiratory droplets when an infected person coughs or sneezes, and also through direct contact with contaminated surfaces, hands, or skin. Outside the hospital, the same two routes of transmission drive the precautions you’d take at home, in daycare, or around vulnerable family members.
What Contact and Droplet Precautions Mean
Droplet precautions target the spray of virus-laden particles that travel short distances (roughly 3 to 6 feet) when someone coughs, sneezes, or talks. Contact precautions address the fact that RSV can live on hard surfaces like countertops for up to 6 hours, on rubber gloves for about 90 minutes, and on clothing or paper tissues for 30 to 45 minutes. On bare skin, the virus survives for roughly 20 minutes. Touching a contaminated surface and then touching your eyes, nose, or mouth is one of the most common ways RSV spreads outside of direct person-to-person droplet exposure.
In hospitals, strict adherence to both precaution types is considered the first line of defense. Healthcare workers use gowns, gloves, and masks when entering a patient’s room, and perform thorough hand hygiene before and after contact. Visitors are typically screened for respiratory symptoms before being allowed near high-risk patients.
How Long RSV Stays Contagious
Most people with RSV are contagious for 3 to 8 days. Viral shedding can begin a day or two before any symptoms appear, which makes the virus tricky to contain. Infants and people with weakened immune systems are a different story: they can continue shedding the virus for 4 weeks or longer, even after they look and feel better. This extended contagious window is a major reason contact and droplet precautions are so important around transplant recipients, people on immune-suppressing medications, and very young babies.
Precautions at Home and in Childcare
The practical version of contact and droplet precautions at home comes down to a few habits. Frequent handwashing with soap and water is the single most effective step. Alcohol-based hand sanitizers and common disinfectants containing isopropanol (rubbing alcohol) or detergent-based solutions rapidly destroy RSV on skin and surfaces. The active ingredient matters less than you’d think: studies have shown that in chlorhexidine-detergent hand washes, it’s actually the detergent base doing most of the virus-killing work, not the chlorhexidine itself.
Clean high-touch surfaces like doorknobs, light switches, and toys regularly during RSV season (typically fall through spring). Keep sick family members away from infants and older adults as much as possible. If your child has RSV and attends daycare, keep them home while symptoms are active. Because children are usually contagious for 3 to 8 days, most childcare programs expect kids to be fever-free and showing clear improvement before returning.
Protecting Infants
Babies under 8 months old face the highest risk of severe RSV illness. A preventive antibody called nirsevimab is now recommended for infants younger than 8 months who are born during or entering their first RSV season, provided the mother did not receive an RSV vaccine during pregnancy, her vaccination status is unknown, or the baby was born within 14 days of maternal vaccination. Dosing is weight-based: 50 mg for babies under about 11 pounds, and 100 mg for those 11 pounds and above.
Beyond immunization, behavioral precautions make a real difference. Ask anyone who wants to hold your baby to wash their hands first. Avoid crowded indoor spaces with a newborn during peak RSV months. Keep sick siblings separated from the baby as much as your household allows, and don’t share cups, utensils, or pacifiers.
Precautions for Older Adults
RSV vaccines are now recommended for all adults 75 and older. Adults between 50 and 74 who have increased risk factors, including chronic heart or lung disease, a weakened immune system, other underlying medical conditions, or residence in a nursing home, are also recommended to get vaccinated. This is a relatively new option: RSV vaccines for adults were first approved in 2023, so many eligible people have not yet received one.
For older adults who are immunocompromised, particularly organ or bone marrow transplant recipients, prevention still leans heavily on the basics: hand hygiene, wearing a mask during RSV season in crowded or clinical settings, and limiting exposure to people with respiratory symptoms. These patients shed the virus for weeks if they do get infected, which means the people around them also need to maintain precautions for a longer window than usual.
Why RSV Is Hard to Detect in Adults
One complicating factor is that RSV is difficult to diagnose quickly in adults. Rapid antigen tests, the kind that give results in minutes, catch only about 29% of RSV infections in adults. That means roughly 7 out of 10 infected adults will get a false negative on a rapid test. In children, the same tests detect about 81% of cases. Molecular tests (PCR) are far more accurate but take longer to process. This diagnostic gap means many adults spread RSV without ever knowing they have it, reinforcing why precautions during RSV season matter even when no one in the household has a confirmed diagnosis.