Around the world, cities have stopped moving. But hidden within the apparent calm and silence, a war is going on. It's our medical teams on the front lines.

Over 40 health care workers in Italy and at least 13 in China, have given their own lives to save others. There are many more in the USA, Iran and Spain.

To the doctors, nurses, specialists, scientists, researchers, health ministers, leaders, charities, not-for-profits and all those involved in fighting the battle of the 21st century, on behalf of the world - we thank you.