from Daily Express (MY) online Part 1: Chronic Fatigue Syndrome - What is it & what causes it? https://www.dailyexpress.com.my/int...-fatigue-syndrome-what-is-it-what-causes-it-/ (I'm guessing that part 2 will have treatment and support)
Singapore National Centre for Infectious Diseases, reproducing content from two Straits Times 2022 articles Hit by Long Covid Gives a list of clinics providing services. The information about Long Covid is a mix of good advice, graded exercise therapy and commercial exploitation of the situation. e.g.
This article is a bit old - May 2022 - but it gives an idea of the situation in Thailand regarding Long Covid. Long COVID clinics mushroom in Thailand as survivors tackle after-effects
What it says on the tin: Prevalence and Symptom Profile of Long COVID among Schoolchildren in Vietnam, 2024, Vu et al.