According to the Head of Ko Samui Hospital, Dr. Veerasak Lorthongkham, "none of the vaccinated people in Samui has Yellow/ Red symptoms (according to the level of sickness of Public Health Department). Most of them only have mild symptoms (Green)"
Khun Veerasak also mentioned that there are 5-6 people with severe symptoms (Red) and approximately 30 patients with pneumonia (not severe) and all of these people are not vaccinated. "A group of green symptoms patients about hundred cases is all vaccinated with either 2 doses of Sinovac or 1 dose of Astra Zeneca."
Source: COVID Center Ko Samui
Data on 13 August 2021.