2024-09-18 952词 中等
RSV infections are very common, to the point that nearly every child will have one before they turn 2 years old. Most children experience symptoms similar to a cold, like coughing and sneezing, but some can develop severe lung disease: RSV is responsible for more than 100,000 infant deaths globally every year, nearly half of which are in babies under 6 months of age.
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