COVID-19 is the name given to the new disease caused by the SARS-CoV-2 virus. SARS-CoV-2 is a new strain of a large family of viruses called coronaviruses (CoV). This was named as per the International Committee on Taxonomy of Viruses. Prior to this name it was referred to as ‘novel coronavirus 2019’ or ‘2019-nCoV’.
Pfizer is a messenger RNA (mRNA) vaccine. This type of vaccine uses a genetic code called RNA to make your body's cells produce the coronavirus’ specific spike protein. Your immune system cells then recognize the spike protein as a threat and begin building an immune response against it.
On 5 December 2021, the Therapeutic Goods Administration (TGA) provisionally approved the Comirnaty (Pfizer) vaccine for children aged 5 to 11 years. The TGA’s provisional approval of Pfizer for children was based on a careful evaluation of available data to support its safety and efficacy among this age group.
This vaccine has provisional registration in Australia as a vaccine used to protect people against COVID-19. The decision to approve this vaccine has been made on the basis of promising preliminary results from clinical studies
Today you have received COVID-19 Vaccine AstraZeneca. This vaccine can prevent people from becoming ill from COVID-19. COVID-19 Vaccine AstraZeneca does not contain any live SARS-CoV-2 virus (the virus that causes COVID-19), and it cannot give you COVID-19.
People who have a COVID-19 vaccination have a much lower chance of getting sick from COVID-19. There are two brands of vaccine in use in Australia. Both are effective and safe. Comirnaty (Pfizer) vaccine is preferred over COVID-19 Vaccine AstraZeneca for adults under 50 years of age.