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 Table of Contents  
LETTER TO EDITOR
Year : 2020  |  Volume : 11  |  Issue : 1  |  Page : 43

Outbreak of COVID-19 in Thailand: Time serial analysis on imported and local transmission cases


1 Sanitation Medical Academic Center, Bangkok, Thailand
2 Honorary Professor, Dr DY Patil University, Pune, Maharashtra, India; Visiting Professor, Hainan Medical University, Haikou, China

Date of Submission29-Feb-2020
Date of Acceptance23-Mar-2020
Date of Web Publication23-Apr-2020

Correspondence Address:
Dr. Beuy Joob
Sanitation 1 Medical Academic Center, Bangkok
Thailand
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/ijpvm.IJPVM_98_20

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How to cite this article:
Joob B, Wiwanitkit V. Outbreak of COVID-19 in Thailand: Time serial analysis on imported and local transmission cases. Int J Prev Med 2020;11:43

How to cite this URL:
Joob B, Wiwanitkit V. Outbreak of COVID-19 in Thailand: Time serial analysis on imported and local transmission cases. Int J Prev Med [serial online] 2020 [cited 2020 Oct 27];11:43. Available from: https://www.ijpvmjournal.net/text.asp?2020/11/1/43/283171



Dear Editor,

COVID-19 is an important new emerging infection. After it appears first in China,[1] Thailand is the second country where outbreak occurred.[2] The first “zero” patient in Thailand is an imported Chinese patient identified at January 2020. There are continuums of COVID-19 cases in Thailand. Both imported and local transmission cases still newly occur despite several attempts for disease control and prevention. For successful prevention of expansion of disease, the knowledge on nature of disease progression in each setting is needed for proper management planning. Here, the authors perform a time serial analysis on imported and local transmission cases of COVID-19 in Thailand. Until February 29, 2020, there are already 42 accumulated cases of COVID-19 in Thailand (34 imported and 8 local transmission cases). The ratio between local transmission and importation is equal to 1:4.25. [Figure 1] shows time serial of imported and local transmission cases. The velocity rate of disease progression in imported and local transmission cases are equal to 0.71 and 0.26/day, respectively. The acceleration rate of disease progression in imported and local transmission cases are equal to 0.015 and 0.008/day2, respectively. Therefore, the importation contributes faster and more cases of COVID-19 than local transmission. Preventive measures in the study setting seem to be more effective in controlling of local transmission.
Figure 1: Time serial of imported and local transmission cases

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Financial support and sponsorship

Nil.

Conflicts of interest

There are no conflicts of interest.



 
  References Top

1.
Hsia W. Emerging new coronavirus infection in Wuhan, China: Situation in early 2020. Case Study Case Rep 2020;10:8-9.  Back to cited text no. 1
    
2.
Yasri S, Wiwanitkit V. Editorial: Wuhan coronavirus outbreak and imported case. Adv Trop Med Pub Health Int 2020;10:1-2.  Back to cited text no. 2
    


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