Dear Dr G, I understand that you are outlining various viral infections that can be prevented by vaccination during the month of May.

I read with interest your explanation of how German measles affects women and how the disease itself has minimal effect in men.

Dr G is often put on the spot about whether HPV and rubella have demonstrated the same miracle. His view is simple: the miracle is only possible if everyone is protected, and that clearly includes boys.

Dear Dr G, I am a mother of two teenagers who are just starting secondary school. I received paperwork from the school health department asking for consent for HPV vaccinations for both children.

Human papillomavirus (HPV) is one of the most common sexually transmitted infections worldwide, and a complex interaction of biological, anatomical, and behavioural factors shapes its transmission dynamics.

HPV is one of the most common sexually transmitted infections worldwide, affecting both men and women across all age groups.

Human papillomavirus (HPV) is one of the most prevalent sexually transmitted infections globally and a well-established cause of multiple malignancies.

I am a 30-year-old man who is really stressed about parenthood.

I read with interest the focus in the last few weeks on female impact on fertility. I guess you did not elaborate on the impact of men and fertility due to overwhelming importance of female factors.

I am glad the whole CNY celebration is over.

The timing of sexual intercourse plays a central role in enhancing fertility, writes Dr G.

Despite decades of clinical use and extensive research, phosphodiesterase type-5 inhibitors (PDE5 inhibitors) remain surrounded by persistent myths.