“It is not fair that everybody knows about Viagra, Levitra worked perfectly for me and moreover it is less expensive and easier to find. I almost have not experienced any side effects, at least those severe to make sex impossible. Works like a charm.”

“I did not want to confess my sexual fail and intimacy problems. After taking it my penis worked as a paving breaker and my wife had no reason to complain during whole night. We hooked on it and purchase with a discount.”

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.