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Chapter 260 The tranquility before the storm
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... are also viral infections, but the infection site is generally limited to the nose and pharynx, which may cause discomfort such as runny nose, sneezing, and sore throat."
"Once the infection enters the trachea, it is bronchitis. If it continues to penetrate further and violates the alveolar lung parenchyma, it is pneumonia."
"In this respect, pneumonia is definitely much heavier than a cold."
"What's more, if it's just a common cold, you will definitely not be hosp ...
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