WHO rejects SII’s proposal seeking extension of Covishield’s shelf life from 6 to 9 months

The WHO has rejected Serum Institute of India’s proposal looking for extension of the shelf lifetime of Oxford-AstraZeneca Covid-19 vaccine, Covishield, from six to 9 months, citing inadequate information, sources mentioned.

The WHO has additionally sought a gathering with Medication Controller Normal of India (DCGI) to debate the matter, they mentioned.

The transfer comes at the same time as India’s drug regulator has prolonged Covishield’s shelf life from six to 9 months from its manufacturing date.

In a latest communique to Pune-based Serum Institute of India (SII), the WHO has additionally requested the agency to formulate the doses with sufficient titer and/or implement the next specification at launch in order that the minimal specification of  ≥ 2.5 x 108 ifu/dose is fulfilled all through the shelf life.  

Shelf life is the size of time for which an merchandise stays match to be used.

The DCGI in a letter to SII in February mentioned it has no objection in respect of ‘extension of shelf lifetime of Covishield vaccine’ in multi-dose glass vial (10 dose-5ml) from six months to 9 months.

“You might be permitted to use the shelf lifetime of 9 months to unlabelled vials obtainable readily available, topic to the situation that the main points of such inventory, batch-wise, shall be submitted to this workplace and Central Medication Laboratory, Kasauli,” DCGI Dr V G Somani had mentioned within the letter.

The DCGI’s resolution will assist well being authorities in decreasing vaccine wastage. 

In line with an replace by the UK drug regulator dated February 22, the shelf-life of the AstraZeneca Covid-19 vaccine is six months.

In the meantime, considerations have been raised concerning the vaccine because the European Union’s well being company concluded a “doable hyperlink” between the vaccine and uncommon blood clots however burdened that the advantages of the vaccine to guard in opposition to Covid-19 proceed to outweigh the dangers.

The UK’s medicines regulator on Wednesday mentioned that under-30s within the nation will likely be provided an alternative choice to the Oxford-AstraZeneca vaccine on account of “evolving proof” linking it to uncommon blood clots. 

Developed by Oxford College and Swedish-British pharma main AstraZeneca, Covishield is being manufactured by SII.

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