Tag: COVID-19 variant
Nose sprays, needle-free patches, durable immunity: towards the next generation of COVID vaccines
Image: John Cairns, University of Oxford via AP
The past 20 months has seen an explosion of vaccine development, with COVID vaccine testing and...
Why the COVID-19 variants are so dangerous and how to stop them spreading
Image: Shutterstock/Lakeview Images
With new, more infectious variants of COVID-19 detected around the world, and at New Zealand’s border, the risk of further level 3 or 4...