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Toms Skoひっちぃ2015年7月1日 This could be changed to droplet, contact and standard precautions in the near future.Infected persons who have developed severe disease have largely been adults with pre existing underlying diseases or health care workers who sustain frequent, close unprotected exposure. Only 1.2 percent of persons who have had close unprotected contact develop illness. [参考] |
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