Commentary: Why many under 45 are hoping vaccination slots open in June Toggle share menu Advertisement Commentary: Why many under 45 are hoping vaccination slots open in June Those in Singapore under 45 may be able to sign up for vaccination starting June, says Senior Minister of Health Janil Puthucheary. Until then, what might be needed but is in short supply is patience. A COVID-19 vaccination exercise at Tanjong Pagar Community Centre in Singapore on Jan 27, 2021. (File photo: Jeremy Long) 18 Apr 2021 11:03AM) Share this content Bookmark SINGAPORE: When news broke on Monday (Apr 5) the Government had plans to invite those below 45 to book their COVID-19 vaccination shots from June, my chat groups lit up.