In temperate zones of the Southern Hemisphere, countries are not reporting increases in influenza activity above epidemic thresholds, or unusually early influenza activity.
在南半球温带地区，各国未发现流感活动增至超出流行阈值的程度或出现过早流感活动。
Influenza surveillance will play an important role in influenza control and epidemic predicting.
做好流感监测对控制流行与预测有重要意义。
Objective To understand the situations of influenza epidemic as well as the aberrance of the surface proteins antigenicity of influenza virus.
目的了解流感流行和流感病毒毒株表面抗原性变异情况。
This is the first province occurred in clusters of influenza a H1N1 influenza epidemic, now, the hospital gathered the number of confirmed cases of the epidemic has increased to 23 cases.
这是我省首次发生的甲型H1N 1流感聚集性疫情，至此，该院聚集性疫情确诊病例数已增至23例。
WHO pointed out that in the current epidemic of influenza, HIV-infected persons should be regarded as high-risk groups need to influenza prevention and treatment as the focus.
世卫组织指出，在当前流感疫情中，HIV病毒感染者应被视作高危人群，需作为流感预防和治疗的重点对象。
Sudden SARS outbreak of bird flu several times, quietly influenza H1N1 outbreak of influenza, just a few years to a full knowledge of the threat of a major epidemic.
突如其来的非典、几度肆虐的禽流感、悄然暴发的甲型H1N 1流感，短短几年来人们充分见识了重大疫情的威胁。
Sudden SARS outbreak of bird flu several times, quietly influenza H1N1 outbreak of influenza, just a few years to a full knowledge of the threat of a major epidemic.
突如其来的非典、几度肆虐的禽流感、悄然暴发的甲型H1N 1流感，短短几年来人们充分见识了重大疫情的威胁。
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