流感

接种疫苗

关于 流感

何谓流感?

流行性感冒是一种由流感病毒引起的急性呼吸道感染。这种疾病有以下突发症状:发冷、全身乏力、发烧、肌肉疼痛、咳嗽、鼻炎以及喉咙痛。

流感如何传播?

流感病毒主要通过咳嗽和打喷嚏产生的飞沫在人与人之间的传播。它的传播过程可能是这样的:受感染者咳嗽和呼吸产生飞沫,通过空气的推动落在他人的口鼻周围,导致他人受到感染。流感病毒的传播也可能是由于人们在接触了其他人或物体的飞沫后并未洗手之前,接触自己的口鼻(或其他人的口鼻)。

我为什么应该接种流感疫苗?

流感可造成轻度或严重疾病,有时甚至可以致命。预防季节性流感的最好方法是每年接受季节性流感疫苗接种。这对于包括65岁以上的乐龄人士、患有慢性疾病的患者、免疫力低下者和气喘病人等流感并发症高发人群格外重要。

Points to Note:

Laboratory diagnostic tests are not perfect and are not 100% accurate

  • We do not have a test for every disease or virus but most of those pathogens that are of public health importance or have long term implications on your health can be tested
  • No one single test can be used with absolute certainty to diagnose a disease. Often, we depend on a combination of tests to make a diagnosis
  • Sometimes, we have to resort to trial treatment or empiric treatment if investigative tests are inconclusive. If the patient makes a therapeutic response and feels better, we have achieved our goal
  • In PUO, we are looking for treatable causes and to rule out sinister causes eg. malignancies so that we do not miss opportunities for early treatment or intervention

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