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About 300,000 cases of tick-borne Lyme disease are diagnosed in the U.S. each year, and with an expanding tick population, experts think this year could be worse than usual.
每年，美國約有三十萬例蜱傳播的萊姆病，隨著蜱數量的增長，今年可能會比平時更糟。
Thanks to a milder winter and more host animals, there could be more cases of Lyme and deadly tick-borne infections.
由于溫和的冬天和更多的宿主動物，可能有更多萊姆病例和致命蜱感染。
Powassan virus, for example, causes swelling in the brain that can lead to permanent neurological damage. It's fatal in about 10 percent of cases.
例如玻瓦桑病毒，使大腦腫脹并導致永久性的神經損傷。大約10%的病例是致命的。
Some ticks even carry another disease that can give you a meat allergy. Researchers warn it's getting more common, but they're still learning about how and why the disease spreads. The Centers for Disease Control and Prevention isn't tracking it closely yet.
一些蜱甚至攜帶另一種疾病，可以使你肉過敏。研究人員警告稱，現在這種情況越來越普遍，但他們仍在學習這種疾病如何和為何蔓延。美國疾病控制與預防中心也沒有密切跟蹤。
Luckily, those diseases are still relatively rare, especially compared with Lyme. For example, in the decade since 2006, the CDC recorded fewer than seven cases of Powassan virus on average every year.
幸運的是，這些疾病仍然是比較少見的，尤其是相比于萊姆病。例如，自2006年以來的十年，美國疾病控制與預防中心記錄的玻瓦桑病毒平均每年少于7例。
The CDC recommends people avoid tick-borne diseases by using insect repellent, staying out of brush and tall grass, and taking showers after visits to tick country. If you're bitten, tell your doctor about any fever or rash.
疾病控制與預防中心建議人們使用驅蟲劑避免蜱傳播疾病，遠離灌木叢和高草從，訪問有蜱的農村后洗澡。如果你被咬了，有任何發熱或皮疹，告訴你的醫生。
譯文屬可可原創，僅供學習交流使用，未經許可請勿轉載。
