Porcine circovirus type 2 (PCV2) is the primary causative agent of postweaning multisystemic wasting syndrome (PMWS) and other related diseases in pigs.

猪圆环病毒2型（PCV2）是引起猪断奶后多系统衰竭综合征等相关疾病的重要病原。

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Included in his views are that fat can help you survive some diseases, particularly wasting diseases where, once you are ill, fat might help to keep you alive.

FORBES: The 'Obesity Paradox' -- Is It Healthy To Be Overweight?

Here, then, is a retrospective look at some of the scariest side effects to crop up over the past 12 months--from rare events like liver failure or brain-wasting diseases to more common ones such as heart attacks or strokes.

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