Covid lands blow Covid lands blow Health issues dominated not only the headlines but also people's lives throughout 2020. Apinya Wipatayotin revisits developments surrounding the Covid-19 pandemic in Thailand, along with other noteworthy events. published : 29 Dec 2020 at 05:03 3 Migrant workers from Myanmar wait in front of a dormitory near the Thai Union Market in Samut Sakhon. Health officials are testing thousands of Thai vendors and Myanmar workers linked to a cluster of infections at the Central Shrimp Market. Arnun Chonmahatrakool Covid-19 has tested Thailand's public health security since the start of the year. In the first wave of infections, local transmissions seemed to stop at around 3,000 cases. After the disease peaked, only a handful of infections were found in state quarantine, all of which were returnees from abroad.