You’ve probably heard about respiratory syncytial virus or RSV a lot lately. That’s because cases of this illness have increased since last year. RSV mainly causes cold symptoms, and most people who get it get better on their own. But when babies or toddlers get RSV, it can turn into something more serious called bronchiolitis. Bronchiolitis causes the lung’s tiny airways (bronchioles) to swell and fill with mucus. This makes it hard to breathe. Bronchiolitis usually gets better on its own, but sometimes kids need treatment in the hospital. With the winter season upon us, it’s good to know what to look for — and when to get help — the next time your child comes down with a nasty cold. Why are RSV cases on the rise? Doctors aren’t exactly sure why, but it may be because fewer people are wearing masks now. RSV is a common childhood illness, […]