Results 244 samples and 14 types of instruments were tested, of which 38 were blood transmit virus markers positive, the positive rate was 15.57%.

结果经对14种口腔器械244份样品进行了检测，共检出血液传播性病毒标志物阳性38份，总阳性率为15.57%。

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Salk vaccine receivers can still transmit the virus, whereas the Sabin ones do not.

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The chance an infected pregnant woman will transmit the virus to her baby during gestation, birth or breast-feeding ranges from 15% to 45%, according to WHO.

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Bird conservationists add that although migratory birds can carry and transmit the virus, it is often not clear whether they picked up the infection from poultry.

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