Pfizer COVID-19 vaccinations are prepared at a medical center in Sydney on March 14, 2021. Australia will receive 4 million Pfizer doses from Britain in a swap deal that will double the quantity of that COVID-19 vaccine available to Australians Prime Minister Scott Morrison said on Friday, Friday, Sept. 3, 2021. (Joel CarrettAAP Image viaAP)
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The single booster dose can be administered at least six months after completion of the second dose and applies only to individuals who previously received the Pfizer vaccine.
