▲Magnetic resonance imaging of the brain shows inflammation of the white matter of the brain (red arrow).

(Photo provided / Xiao Xiangru)

Text / Xiao Xiangru

Ah Quan is a 17-year-old high school student. Four days ago, he developed a high fever and felt unwell.

One day before seeking medical attention, he began to speak slowly and move stiffly.

On the day of medical treatment, the condition deteriorated to altered consciousness and lethargy.

Although he had sought medical treatment, the rapid influenza virus test was negative.

The emergency department has lost his gait and was sent to the intensive care unit

When Ah Quan came to the emergency department of this hospital, his gait was already unstable, so blood and biochemical tests were arranged, and the rapid screening of new coronavirus and influenza virus was carried out. The results of the rapid influenza virus screening showed a positive response to type A influenza, and antiviral drugs were given. And received hospital treatment.

Please read on...

After combining clinical symptoms and imaging evidence (as shown in the picture), he was diagnosed with influenza complicated by encephalitis, and was admitted to the intensive care unit for treatment. Subsequent tests showed that the virus he was infected with was seasonal influenza type A H3N2 subtype.

A Quan has not received this season's flu vaccine.

Influenza viruses belong to the Orthomyxoviridae family and have type AD.

The names of influenza A virus subtypes are based on two surface proteins, HA and NA, and H3N2 can cause seasonal epidemics.

Symptoms caused by influenza infection mainly include: cough, runny nose, sore throat, fever, headache, muscle aches, etc. In severe cases, encephalitis and myocarditis may also occur concurrently.

Take Ah Quan as an example, due to his youth and strength, advanced technology and the efforts of medical personnel, he was discharged safely.

Not everyone is so lucky to get Type A Influenza Encephalitis. Type A Influenza Encephalitis is preventable. Maintain personal hygiene, wash your hands frequently, wear a mask when you go to crowded places, and get flu vaccines on time to prevent the virus from invading. is the best way.

(The author is an attending physician of the Department of Pediatrics, Keelung Chang Gung Hospital)

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  • Flu vaccine

  • health care

  • drowsiness

  • encephalitis

  • Influenza A

  • Vaccination

  • antiviral drugs

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