“Wow, I've never felt like that since I was a youngster! Only being a student I could make love like that and have multiple erections in a short while after taking this magic pill. Viagra is really a deed for the man who was present at 40 classmate reunions ...

“I take 20 mg Cialis pill and it works as expected but after sexual intercourse I sometimes feel muscle pain in the back and fatigue. I do not know if this is because I work like a stud or it is a side effect. Anyway I am lucky that I gave it a try.”

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.