In the week of 12-18 July 2021 we received 1,177 AEFI reports for COVID-19 vaccines. Learn more about how the TGA identifies and responds to safety issues. Gathering reports of adverse events following immunisation (AEFI) is just the first step in determining whether the effect is related to the vaccine and whether a significant safety issue is involved. Reported side effects for COVID-19 vaccines In particular, we continue to closely monitor reports of immune thrombocytopenia (ITP) and Guillain-Barre Syndrome (GBS) following vaccination with the AstraZeneca vaccine, and myocarditis and pericarditis with the Pfizer (Comirnaty) vaccine. We extend our sincere condolences to their families and loved ones. One was a 44-year-old man from Tasmania and the other was a 48-year-old woman from Victoria. Sadly two people with confirmed TTS following the first dose of the AstraZeneca vaccine died in the last week. This brings the total number of cases of TTS to 87 from 6.1 million doses of the AstraZeneca vaccine administered to date. When assessed using the UK case definition, one was confirmed and three were deemed probable TTS. Over the last week, four additional cases of blood clots with low blood platelets have been assessed as thrombosis with thrombocytopenia syndrome (TTS) likely to be linked to the AstraZeneca vaccine. The most frequently reported suspected side effects associated with Comirnaty (Pfizer) and AstraZeneca COVID-19 vaccines continue to be events that were seen in the clinical trials, and are commonly experienced with many vaccines. Learn about the TGA’s COVID-19 vaccine safety monitoring and reporting activities or report a suspected side effect. Importantly, adverse events reported to the TGA are often not caused by the vaccine itself. The Therapeutic Goods Administration (TGA) closely monitors suspected side effects. The overwhelming majority of these are mild and resolve within a few days. Like all medicines, the vaccines can have side effects (also known as adverse events). Two COVID-19 vaccines are currently in use in Australia – AstraZeneca and Pfizer (Comirnaty). Vaccination against COVID-19 is the single most effective way to reduce severe illness and death from infection.
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