Vaccines that grow on leaves and don’t need needles: A look at COVID jabs you may not have heard of – ABC News

You’ve heard of Pfizer, Moderna and AstraZeneca, but what about Medigen and Zydus Cadila? 
Key points:

• India has approved the world’s first DNA vaccine, a needle-free option
• Canada-based Medicago is growing the vaccine on a plant closely related to tobacco …

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