Three of the viruses — flu, COVID-19 and RSV — are respiratory viruses and spread from person to person through germ-filled droplets of fluid from an infected person’s nose or mouth. Recent data indicates that the nation is experiencing its most intense flu season in at least 15 years.

Two babies in Louisiana died in the past six months of a respiratory illness that doctors say is preventable. The head physician at Manning Family Children's Hospital warns more deaths could come if parents don't take this seriously.