Recognition of the clustering of cases of aseptic meningitis has potentially been enhanced during mass immunization campaigns due to increased sensitivity of AEFI surveillance.

随着AEFI监测系统的敏感性提高，对强化免疫期间聚集发生的无菌性脑膜炎的辨识能力也得到了加强。

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New enhanced campaigns will be particularly helpful for SMBs who are not yet taking advantage of mobile search.

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About 1.5 million ad campaigns have migrated to Enhanced Campaigns, with the rest to follow in the next 10 weeks.

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Following a period of adjustment for advertisers, Enhanced Campaigns will present a win- win-win scenario for marketers, users and Google itself.

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