<p>India's largest vaccine producer Serum Institute on Tuesday said it would continue to scale up its production of AstraZeneca's Covid-19 vaccine and start exporting to other countries by the end of the year.</p>
<p>India's largest vaccine producer Serum Institute on Tuesday said it would continue to scale up its production of AstraZeneca's Covid-19 vaccine and start exporting to other countries by the end of the year.</p>