Wed, Jun 10, 2026 page4

• CDC reports first cases in 2026 of two diseases

  PEAK SEASON: Officials said a woman in her 60s was diagnosed with Japanese encephalitis, while a man in his 50s was diagnosed with paratyphoid fever

  • By Lee I-chia / Staff reporter
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  The Centers for Disease Control (CDC) yesterday reported this year’s first cases of Japanese encephalitis and paratyphoid fever.

  CDC Deputy Director-General and spokeswoman Tseng Shu-hui (曾淑慧) said that a woman in her 60s living in southern Taiwan was diagnosed with Japanese encephalitis after developing symptoms including a fever and altered consciousness earlier this month.

  “CDC monitoring data show that May to October is usually the peak transmission season of Japanese encephalitis, with the peak usually in June or July, so people should get vaccinated and prevent mosquito bites,” Tseng said.

  

  From left, Centers for Disease Control (CDC) Deputy Director-General and spokeswoman Tseng Shu-hui, CDC Epidemic Intelligence Center Director Guo Hung-wei and CDC physician Huang Po-han attend a news conference in Taipei yesterday.

  Photo: Hou Chia-yu, Taipei Times

  CDC physician Huang Po-han (黃柏翰) said that the woman has diabetes, no record of vaccination against Japanese encephalitis and she did not travel abroad recently.

  The woman’s symptoms began with a headache and vomiting, followed by fever and loss of consciousness, so she was rushed to an emergency room, where she was found with a stiff neck, an elevated white blood cell count and inflammatory markers, Huang said, adding that she was admitted to an intensive care unit.

  She was reported as a suspected case, and a laboratory test confirmed it, Huang said, adding that six family members who she lives with did not develop symptoms.

  There are high-risk environments — including rice fields, irrigation ditches, pig farms and poultry farms — near her home and places she frequents, so the local health department has installed mosquito traps in the area and promoted mosquito prevention measures, he said.

  The childhood immunization schedule recommends that infants get the first dose of a Japanese encephalitis vaccine at 15 months old and the second dose 12 months afterward, he said.

  Adults who live near high-risk areas can consult travel medicine doctors to assess whether they need a booster shot, he added.

  Tseng said that a man in his 50s living in northern Taiwan diagnosed with paratyphoid fever developed symptoms including a fever, chills and general muscle soreness late last month.

  The man did not travel abroad during the incubation period, Huang said, adding that he first sought treatment at a clinic and received medicine for his symptoms.

  As the symptoms were not relieved after three days, he sought treatment at a hospital, where he underwent testing and returned home to rest, Huang said.

  Blood tests showed that bacteria was causing paratyphoid fever and he was hospitalized when he returned for a follow-up appointment, Huang said, adding that the man recovered after eight days of treatment.

  The man did not eat raw food or drink unboiled water, and people living with him and his coworkers tested negative, so the source of his infection is not yet clear, Huang said.

  Paratyphoid fever is primarily transmitted via the fecal-oral route, so people should drink water that has been boiled and eat sufficiently cooked food, separate raw and cooked food to avoid contamination, and wash their hands frequently with soap, he said.

  CDC Epidemic Intelligence Center Director Guo Hung-wei (郭宏偉) said there were 5,576 hospital visits for enterovirus infection last week, about the same as the previous week, although the longer-term trend is upward.

  Enterovirus activity in Vietnam remains severe, while it has been rapidly increasing in China and Hong Kong, and to a lesser extent in Thailand, South Korea and Japan, Guo said.

  COVID-19 activity is still low, but cases have been gradually increasing for three consecutive weeks, so high-risk groups should get vaccinated and seek immediate medical treatment if they experience difficulty breathing or other signs of severe illness, he said.
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