Australia Buys Additional 20 Million Doses of Pfizer Vaccine The Australian government has secured an additional 20 million doses of the Pfizer vaccine as it steers away from relying on the AstraZeneca vaccine after a rare but serious blood clotting side effect was discovered. The announcement comes after Prime Minister Scott Morrisoncalled for an urgent press conference on Thursday night to provide new health advice to Australians aged under 50 regarding receiving the AstraZeneca jab. The additional doses, scheduled to arrive in the fourth quarter of the year, means Australia will receive a ...