Thailand Post expects delays 1 The country's biggest postal service provider handles an average of 8 million parcels each day. Thailand Post says its postal services could be delayed in some areas due to the pandemic as some of its staff are infected with Covid-19, forcing post offices to shut temporarily. The country's biggest postal service provider vowed not to hide information about its infected staff and pledged to step up efforts to make sure there is no backlog of parcels at its facilities. Dhanant Subhadrabandhu, chief executive of Thailand Post, said some post offices have closed temporarily after staff became infected, requiring treatment and quarantine.