18 August 2021. On Wednesday morning, Thailand Public Health Ministry reported that there were record 312 Covid-19 deaths and 20,515 new cases over the past 24 hours. There were 20,267 cases in the general population and 248 in prisons. https://www.bangkokpost.com/learning/really-easy/2167179/record-312-covid-deaths-20-515-new-cases-wednesday