![]() A shorter interval may be recommended for people at higher risk of severe COVID-19 (including older adults and people with underlying medical conditions), or before international travel. It is preferable to have the first 2 doses 8 weeks apart, but the dose interval between doses can be reduced to 3 weeks. Dose schedule Primary courseįor most people the Pfizer primary course is 2 doses, 8 weeks apart.įor children aged 6 months to under 5 years, the primary course is 3 doses, 8 weeks apart. However, both the bivalent and original vaccines provide significant protection from severe disease against Omicron subvariant infections. The Pfizer bivalent COVID-19 vaccine targets the original 2020 strain and the Omicron variant BA.1.Ĭompared to the original vaccines, ATAGI found it triggers a modest improvement in the immune response against both strains. The Australian Technical Advisory Group on Immunisation (ATAGI) has provided a recommendation that the Pfizer bivalent vaccine can be used as an alternative vaccine for any booster dose in people aged 18 years or older, according to the current ATAGI recommendations for booster doses. On 28 October, the TGA provisionally approved Pfizer’s bivalent COVID-19 vaccine for use as a booster dose in adults 18 years and over. 8 April 2022 (booster – for 12 years and over)Ģ9 September (primary course for 6 months to under 5 years)Ģ8 October 2022 (bivalent booster for 18 years and over).27 January 2022 (booster – for 16 years and over). ![]() 3 December 2021 (primary course – for 5 years and over) (5 to 11 year formulation).26 October 2021 (booster – for 18 years and over). ![]()
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