Hong Kong faces a flu outbreak in schools coupled with a cold weather warning, prompting health officials to advise caution and preventive measures.
Read moreAn unusual rise in norovirus cases is affecting Americans this winter, with a significant surge reported by the CDC.
Read moreSevere winter weather is impacting 15 states with up to 20 inches of snow expected. Travel conditions are dangerous and schools are closed.
Read moreNorovirus cases are spiking in the U.S. this winter with 91 outbreaks reported; experts highlight the importance of hygiene and awareness.
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