It'seems a predilection for young adults, as did its notorious ancestor, the 1918 Spanish influenza.

  • 就像猪流感臭名昭著的祖先之一, 1918年的那场西班牙流感一样,猪流感更容易光顾年轻人.

  • 网络文摘精选 2025-01-19 09:04:13

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