“I was shy to share with my doctor about decrease of sexual activity which I occurred for the last couple of years. He advised me Viagra which could realize my sexual drive and fantasies. A feel alive again! Viagra saved me!”

“We were at the edge of divorce when I decided to try this. Years and years without delight of orgasm and sexual satisfaction. This could ruin any life but not ours. Viagra worked and I always keep the pill near my bed as nobody knows when my wife asks ...

It comes as the World Health Organization warns of deaths and cases increasing at a "worrying rate".

The UK's vaccine advisers encourage them to discuss the risks and benefits with their doctor.

Scientists confirm they have made "chimera" embryos from long-tailed macaques and humans.

The 21-year-old university student spent 58 days in hospital, including in intensive care.