At all other times, use effective barrier protections (e.g., latex or polyurethane condoms, dental dams) during all sexual activity.

To reduce the risk of spreading HPV to others, always use effective barrier protections (such as latex or polyurethane condoms, dental dams) during all sexual activity.

However, to reduce the risk of spreading HIV to others, always use barrier protections during all sexual activity.

To decrease your risk of spreading HIV disease to others, always use an effective barrier method (latex or polyurethane condoms/dental dams) during all sexual activity.

Therefore, always use an effective barrier method (latex or polyurethane condoms/dental dams) during all sexual activity.