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Jose Angel Cordova Villalobos
Swine flu is a respiratory sickness caused by an influenza virus that mainly infects pigs. However, sometimes the virus can sicken humans. That is what has happened in Mexico in the last few weeks. The virus is believed to have sickened at least 2,000 people there. Mexican health officials suspect a…
豬流感是由一種流感病毒引起的呼吸道疾病，這種流感病毒主要會感染豬。然而，有時也會使人患病。正是如此，幾周前墨西哥發(fā)生了這種情況。 據(jù)可靠消息，該病毒已使得當(dāng)?shù)刂辽儆?000人患病。墨西哥衛(wèi)生官員猜測，至少有152人因豬流感而死亡，其中大部分都是年青人，他們在感染前都很健康。 墨西哥政府要求全國各學(xué)校至少在5月…