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It's not just people coming out of lockdown: As COVID-19 restrictions ease and masks come off, as crowds gather and vacationers travel, viruses that had been reduced, in some cases to negligible threats, are re-emerging.

For a while it seemed the pandemic had tamped down some of the more typical seasonal viral illnesses. Some of the indications have been anecdotal, notably about fewer flu and respiratory syncytial virus (RSV) infections.

But now the data is coming in. The CDC has issued a health advisory to notify doctors and caregivers about an increase in cases of RSV across parts of the southern U.S.

Head over to WebMD to read the full story.