Alarm as 3 of 6 new Covid cases 'reinfected'

A traveller passes through a body temperature scanner at Don Mueang airport on Thursday. Thailand added six new coronavirus cases on Sunday. (Photo by Arnun Chonmahatrakool)
A traveller passes through a body temperature scanner at Don Mueang airport on Thursday. Thailand added six new coronavirus cases on Sunday. (Photo by Arnun Chonmahatrakool)

Thailand's six new imported cases of Covid includes three Thai men who were previously infected but had been certified virus-free before flying from Singapore.

The Centre for Covid-19 Situation Administration (CCSA) said on Sunday the three men -- aged 43, 53 and 56 -- tested postitive for the virus after arriving on Friday.

An official at the CCSA call centre said they had contracted the virus in Singapore, but then made a full recovery. They applied for and received certificates of good health from the Thai embassy before boarding the flight, as required for every person flying into Thailand.

 

The men were tested again upon arrival -- and diagnosed with Covid-19.

It was not immediately clear how the course of events could have taken place. The final Singapore tests or the tests on arrival in Thailand could have delivered incorrect results. Alternatively, the men caught the disease, recovered and then caught it again. That would imply they had no immunity to the disease even after contracting it, which could make any vaccine ineffective.

   
The CCSA said that three other imported cases were recorded on Sunday.

Two Thai nationals, a 46-year-old maid and a woman aged 83, returned from the United States on Monday.

The sixth case was a 46-year-old Frenchman who arrived from the United Kingdom.

He was a language teacher at a private school in the country.

The new infections, all asymptomatic, took the total tally of infections in the country to 3,444, while no new fatalities were reported.

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Vocabulary

  • alarm: fear and anxiety that somebody feels when something dangerous or unpleasant might happen or has happened - ความกังวล
  • alternatively (adv): used to introduce a suggestion that is a second choice or possibility -
  • asymptomatic (adj): (of a person or illness) having no symptoms, i.e., not signs of a disease or medical condition - ไร้อาการ
  • call centre (noun): a place there workers answer telephone calls for other people and companies and provide information, perform some task or transfer the call -
  • certificate: an official document or record stating that particular facts are true - ประกาศนียบัตร เกียรติบัตร
  • contract : to become infected with a disease - ติดเชื้อ
  • diagnosed (verb): having found out what physical or mental problem someone has by examining them - วินิจฉัยโรค, พบสาเหตุ
  • embassy: a building where a group of officials work who represent their government in a foreign country - สถานทูต
  • immunity: protected from a disease naturally by the body - ภูมิคุ้มกันโรค, ภูมิต้านทานโรค
  • ineffective: not working correctly or not doing what you want it to do - ซึ่งใช้การไม่ได้, ซึ่งไม่ได้ผล
  • recovery: the process of becoming normal and healthy again - ฟื้นฟูสภาพ
  • vaccine: a substance which contains a form that is not harmful of a virus and which is given to a person or animal to prevent them from getting the disease which the virus causes - วัคซีน

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