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This impacts all of us, even if you are someone who has never needed to take antibiotics before.

All there is to know about the new Covid-19 variant detected in South Africa.

Here's what to do if you test positive.

Nasa’s about to launch a test spacecraft to fight off Earth-destroying asteroids.

A vaccinated person is less likely to get Covid in the first instance, is less contagious, and is contagious for a shorter time.