![What is the new Covid-19 strain and will it respond to the vaccine?](https://cdn.newsserve.net/ONPglobe256.png)
What is the new Covid-19 strain and will it respond to the vaccine?
Scary headlines about H5N1 avian "bird flu" are prompting new pandemic fears, after a massive infection prompted..
Professor Peter Horby said the strain likely started from one person in Kent