Covishield: AstraZeneca acknowledges its covid vaccine, Covishield, can lead to rare blood clot side effects; Here’s what we know

UK pharmaceutical giant AstraZeneca has admitted that its Covid-19 vaccine can lead to a rare side effect known as Thrombosis with Thrombocytopenia Syndrome (TTS). This acknowledgment comes amidst legal action against the company alleging severe harm and deaths linked to the vaccine, as reported by The Telegraph. The vaccine, known as Covishield and widely used in India, was created through a partnership between AstraZeneca and Oxford University amid the pandemic. Covishield’s production was carried out by the Serum Institute of India.

What is TTS (Thrombosis with Thrombocytopenia Syndrome)?

Thrombosis with Thrombocytopenia Syndrome (TTS) is an exceedingly rare condition characterized by the formation of blood clots (thrombosis) and low platelet counts (thrombocytopenia). It is also referred to as vaccine-induced immune thrombotic thrombocytopenia (VITT).

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Thrombosis occurs when a blood clot forms in a blood vessel, potentially obstructing blood flow. Thrombocytopenia is a condition characterized by a low count of platelets in the blood. Platelets are crucial for clotting, which helps prevent excessive bleeding.

The Link between TTS and the Covid Vaccine:

The connection between TTS and the AstraZeneca Covidshield vaccine was established subsequent to the vaccine’s distribution. Researchers identified a correlation between the vaccine and VITT. Attorneys representing claimants argue that VITT is a subset of TTS, a distinction that AstraZeneca seems not to fully acknowledge.

AstraZeneca Case:

The pharmaceutical company, in collaboration with the University of Oxford, is currently facing legal proceedings initiated by individuals and families affected by the Covidshield vaccine. One such case involves Jamie Scott, a father of two, who took legal action after suffering a blood clot that left him unable to work. Scott contends that after receiving the vaccine in April 2021, he experienced a “blood clot and a bleed on his brain,” resulting in a lasting brain injury.

Fifty-one cases have been filed in the High Court, with victims and their families seeking damages exceeding £100 million. AstraZeneca expressed sympathy for those who lost loved ones or reported health problems. It emphasized that patient safety is its top priority, and regulatory authorities have strict standards to ensure the safe use of all medicines, including vaccines.

In a statement to The Telegraph, Kate, Scott’s wife, expressed her dissatisfaction with the delay in AstraZeneca’s admission, demanding an apology and fair compensation for their family and others similarly affected. She remarked, “We have the truth on our side, and we are not going to give up.”

AstraZeneca’s Response:

In a legal document submitted to the British High Court, AstraZeneca admitted, “It is admitted that the AZ vaccine can, in very rare cases, cause TTS. The causal mechanism is not known.” The company emphasized its commitment to patient safety and expressed sympathy for those who experienced adverse effects or lost loved ones.


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