ASTRA-NOMICAL Ireland to receive nearly 4m vaccine doses in next three months as tiny link between killer clots and Oxford jab found Updated: 7 Apr 2021, 23:17 IRELAND is on course to receive almost four million vaccine doses in the next three months - as it emerged the chance of developing blood clots from the AstraZeneca shot is estimated at about one in 212,500. 2 2 UK officials said the AstraZeneca jab won’t be offered to under-30s after rare blood clots were confirmed as a side effectCredit: Getty Images - Getty It is estimated that those who received the shot have a 0.00065 per cent chance of developing clots