![What we do and don't know about new COVID mutations What we do and don't know about new COVID mutations](https://resizer-awani.eco.astro.com.my/tr:w-177,h-100,q-100,f-auto/https://img.astroawani.com/2021-01/51610167197_COVID.jpg)
What we do and don't know about new COVID mutations
Scientists have tracked multiple mutations of Sars-CoV-2, the virus that causes COVID-19 since it appeared in China in late 2019.
Sat Jan 09 2021
![Steer clear of flu with vigorous exercise Steer clear of flu with vigorous exercise](https://resizer-awani.eco.astro.com.my/tr:w-177,h-100,q-100,f-auto/http://img.astroawani.com/2014-04/41397882218_295x200.jpg)
Steer clear of flu with vigorous exercise
According to a recent British study, vigorous exercise could even help you to avoid catching the flu next winter.
Sat Apr 19 2014