Decades of experience with influenza offers insights into how we should handle new SARS-CoV-2 variants, and the threat they pose to vaccine effectiveness.
There are many scientific and ethical challenges ahead. But these types of trials have helped in the development of vaccines against a few diseases. Could they do the same for COVID-19?
While not perfect, the seasonal flu vaccine is the best way to protect against influenza. There are a few changes to the flu vaccine and what is available this year. Here’s what you need to know.


