Is the Johnson and Johnson vaccine sufficient for entry into Thailand without a PCR test?

The post discusses concerns over re-entering Thailand with a single dose of the Johnson and Johnson vaccine, specifically questioning whether this qualifies as being 'fully vaccinated.' The user notes that they are currently living in Thailand on a retirement visa and had been abroad for the summer. Responses indicate mixed experiences, with some travelers stating they faced no issues at immigration; however, others reported that vaccine checks were conducted by airlines or upon jetway entry.