A: It goes back to the roots of how the Foundation came into being: Bill and Melinda Gates read about the rotavirus vaccine that their children had access to.

答：这可以追溯到基金会如何形成的根源：比尔及梅琳达·盖茨读到有关他们的孩子能够获取的轮状病毒疫苗的内容。

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The vaccine is derived from the most commonly circulating strain of rotavirus, and also offered good protection against some other strains across the two-year period.

这种疫苗是根据最常见的轮状病毒毒株制成的，而且在两年的时间里也能很好地保护人体不受其它一些毒株的感染。

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Researching the feature of capsid protein gene form porcine rotavirus JL94 strain in China is to lay a foundation for developing concentrated antivirotic vaccine.

研究猪轮状病毒中国分离株JL94株衣壳蛋白基因的特征，为研制高效抗病毒疫苗奠定基础。

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Public health officials are now advised to include the rotavirus vaccine in all national immunization programs.

VOA: special.2009.11.17

Offit profited from the creation of the rotavirus vaccine, but does not get ongoing money from vaccine manufacturers for speaking, consulting, research, or as royalties.

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From July, all babies aged between two and four months will be offered a two-dose oral vaccine against the rotavirus, a highly infectious diarrhoea and vomiting bug.

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The FDA last March asked pediatricians to stop administering GlaxoSmithKline's Rotarix, a vaccine that prevents rotavirus infection, a diarrheal illness that commonly affects infants and children and that can cause severe dehydration.

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