@CNN: Parents of young children have reason to be watchful as the flu season ends. B strains, which can be more severe for younger children, dominated the latest CDC flu report https://t.co/36otGryXjg https://t.co/Sl9zaw9ggN

@CNN: Parents of young children have reason to be watchful as the flu season ends. B strains, which can be more severe for younger children, dominated the latest CDC flu report https://t.co/36otGryXjg https://t.co/Sl9zaw9ggN