Finally, on a Saturday afternoon, the queue administrator said: "Come back during the last slot at 8pm."
That evening, I joined Team Pfizer. Thoughts of safer travels bounced happily in my head.
Singapore's vaccine roll-out and the robust pandemic controls are the envy of many countries.
With the nation ramping up its vaccination rate and targeting to have two-thirds of the population fully inoculated by around National Day, more activities will resume in a calibrated style, so the Republic is expected to stay high on the chart.
Though borders may open and close again with Covid-19 variants, it is clear that vaccination and testing will become de rigueur for travel.