Flu vaccines are updated every year. We can learn from this process as we respond to COVID variants
- Written by Sheena G. Sullivan, Epidemiologist, WHO Collaborating Centre for Reference and Research on Influenza
ShutterstockWhile the future of the pandemic remains uncertain, we’ll probably have to live with COVID-19 for some time.
We face a range of possible scenarios. At the most optimistic end of the spectrum, new vaccines will protect against all current and future variants of concern. At the other extreme, we’ll see the frequent emergence...





