Days after admitting it’s vaccine causes TTS, AstraZeneca withdraws Covid-19 vaccine

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By Sumit Jha

May 08, 2024

UK-based pharmaceutical major AstraZeneca has started global withdrawal of its Covid-19 vaccine, which was provided in India as “Covishield'” in partnership with Serum Institute.

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The withdrawal comes days after AstraZeneca admitted to rare side effects of blood clotting and low platelet counts due to its vaccine.

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AstraZeneca had partnered with Oxford University to develop the Covid-19 vaccine, which was sold in India as Covishield and as Vaxzevria in Europe.

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“As multiple, variant Covid-19 vaccines have since been developed there is a surplus of available updated vaccines. This has led to a decline in demand for Vaxzervria,” they said.

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They added, “We will now work with regulators and partners to align on a clear path forward to conclude this chapter and make a significant contribution to the Covid-19 pandemic.”

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Thrombosis with thrombocytopenia syndrome (TTS) is a rare health condition where two serious issues occur together.

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A blood clot in the blood vessel can cause thrombosis, which can reduce blood flow. Meanwhile, Thrombocytopenia occurs during low blood platelet count in the body.

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According to Indian government data, 92,479 citizens had been hospitalised due to Adverse Event Following Immunisation in the country, which meant one out of 23,000 recipients.

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