![]() Like most medicines used in healthcare, vaccines can have side effects, also known as adverse events following immunisation (AEFIs). What are the likely side effects from bivalent COVID-19 vaccines? The potential use of this vaccine in the national COVID-19 vaccination program is still to be determined, with the Australian Technical Advisory Group on Immunisation (ATAGI) likely to provide advice to Government in the near future. Individuals aged 12 years and older who are eligible for a booster dose are able to receive the Pfizer Bivalent Original/Omicron BA.4/BA.5 COVID-19 vaccine.Īn additional bivalent COVID-19 vaccine – Moderna Bivalent Original/Omicron BA.4/BA.5 COVID-19 vaccine – has recently been granted provisional approval for use in Australia by the Therapeutic Goods Administration (TGA). Pfizer Bivalent Original/Omicron BA.4/BA.5 COVID-19 vaccine – Stock expected March 2023 Individuals aged 18 years and older who are eligible for a booster dose are able to receive the Moderna Bivalent Original/Omicron BA.1 COVID-19 vaccine. Moderna Bivalent Original/Omicron BA.1 Bivalent COVID-19 vaccine ![]() Individuals aged 18 years and older who are eligible for a booster dose are able to receive the Pfizer Bivalent Original/Omicron BA.1 COVID-19 vaccine. Pfizer Bivalent Original/Omicron BA.1 COVID-19 vaccine There are currently three bivalent COVID-19 vaccines approved for use in Australia: Which bivalent COVID-19 vaccines are available in Australia and who should get vaccinated? When administered, they produce antibodies that target both the original Wuhan strain and the Omicron BA.1 or Omicron BA.4/5 SARS-CoV-2 variant to provide broader protection against newer variants currently circulating in the community. SARS-CoV-2 strains) that the vaccine includes.īivalent mRNA vaccines (Moderna and Pfizer) contain both the original Wuhan strain alongside the Omicron BA.1 or the Omicron BA.4/5 variant. When administered, they produce antibodies that target the original Wuhan strain.īivalent (‘bi’ meaning ‘two’) refers to the number of antigens (i.e. The original COVID-19 vaccines – Pfizer, Moderna, Novavax and AstraZeneca – are monovalent vaccines (‘mono’ meaning ‘one’) and contain only the original Wuhan strain of SARS-CoV-2, the virus that causes COVID-19. ![]() What is a bivalent COVID-19 vaccine and how does it differ from original COVID-19 vaccines? With bivalent COVID-19 vaccines now in use in Australia and additional updated bivalent COVID-19 vaccines having recently been approved by regulators for future use, let’s take a look at the safety of bivalent COVID-19 vaccines and who should receive the vaccine. To counter this, bivalent COVID-19 booster vaccines have been developed that trigger an immune response against multiple COVID-19 variants to provide broader protection. While these vaccines are still highly effective in preventing severe disease associated with COVID-19, research has shown that the initial course of COVID-19 vaccination may provide more limited protection against symptomatic disease caused by the Omicron variant. The CDC recommends that everyone over the age of 12 top off their COVID protection with a bivalent booster shot this season, especially if it has been more than two months since their previous dose.What is a bivalent COVID-19 vaccine and how do the short-term side effects compare to the original COVID-19 booster vaccines?Īustralia has relied on a number of COVID-19 vaccines to successfully protect the population throughout the COVID-19 pandemic. You can get a COVID-19 booster and a flu shot at the same time That's not to be confused with vaccines that protect against the influenza virus, which are delivered in a separate shot each year. You might hear the shot called the "bivalent booster," as it fights not one but two versions of the virus (the original strain and omicron BA.4/5). While past iterations of the vaccines targeted the original virus that causes COVID-19, the new shots deliver a one-two punch to the "ancestral" strain as well as the latest variant. The updated boosters from Pfizer and Moderna were designed to respond to the versions of the Omicron variant that are currently circulating, according to the CDC. myalgia (generalized muscle aches and pains) after the shot is administered.Account icon An icon in the shape of a person's head and shoulders.
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