London has made real progress in reducing new HIV diagnosis.

And that's because we know what works.

Be sure, know the four ways to prevent HIV.

One, test regularly and know your status.

Two, condoms can prevent HIV and other sexually transmitted infections.

Three, prep is a pill which can prevent HIV.

Four, undetectable.

Also known as U equals U.

Means people living with HIV on treatment cannot pass it on.

Be sure, know the four.

Visit doitlandon.org.

This history extra podcast is sponsored by Virgin Atlantic.

When you fly with Virgin Atlantic, everything is just a bit more special.

That's exactly how Virgin Atlantic are in all sorts of ways.

And how they've always been.

From day one, it's been the people who make Virgin Atlantic, Virgin Atlantic.

The customers, they proudly fly and they're people that go the extra mile.

The beating heart of the business, an incredible collection of individuals who march to their own drumbeat and fly their own path.

And Virgin Atlantic champion and encourage their people and customers to be unapologetically themselves.

They recently announced their updated gender identity policy, which means that staff can choose which of the iconic uniforms designed by Vivian Westwood best represents them.

Everyone's welcome on board.

Virgin Atlantic.

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