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Table 6 Results of LF surveys among unregistered migrants: 2018–2022

From: Five years of post-validation surveillance of lymphatic filariasis in Thailand

Province

2018

 

2019

 

2021

 

2022

No. tested by FTS

Ag+

AGR (%)

 

No. tested by FTS

Ag+

AGR (%)

 

No. tested by FTS

Ag+

AGR (%)

 

No. tested by FTS

Ag+

AGR (%)

Bangkok

794

3

0.38

 

0

0

0

 

0

0

0

 

0

0

0

Tak

762

0

0

 

200

0

0

 

0

0

0

 

392

0

0

Samut Prakan

164

0

0

 

423

0

0

 

0

0

0

 

0

0

0

Chonburi

264

0

0

 

500

1

0.20

 

0

0

0

 

0

0

0

Ranong

498

0

0

 

0

0

0

 

339

0

0

 

0

0

0

Surat Thani

256

0

0

 

415

0

0

 

473

3

0.63

 

139

0

0

Chiang Mai

0

0

0

 

424

0

0

 

0

0

0

 

0

0

0

Nakhon Pathom

0

0

0

 

400

2

0.50

 

0

0

0

 

0

0

0

Phuket

0

0

0

 

484

2

0.41

 

0

0

0

 

167

0

0

Chumphorn

0

0

0

 

507

1

0.20

 

32

0

0

 

0

0

0

Total

2738

3

 

0

3353

6

 

0

844

3

 

0

698

0

0

  1. 2020—No blood surveys conducted among migrants due to COVID-19 lockdowns and restrictions
  2. AGR antigen rate, LF lymphatic filariasis, FTS filaria antigen test strip