Nurses put on personal protective equipment (PPE) as they prepare to test people for COVID-19, outside Drammen hospital.

Ase Halsne, a member of staff at the Oslo Diabetes Research Centre, testing blood samples.

Ase Halsne, a member of staff at the Oslo Diabetes Research Centre, testing blood samples.

Ase Halsne, a member of staff at the Oslo Diabetes Research Centre, testing blood samples.

Ase Halsne, a member of staff at the Oslo Diabetes Research Centre, testing blood samples.

Marine biologist Carden Wallace from the Museum of Tropical Queensland examines and photographs corals on the Great Barrier Reef. In 1998 scientists began warning about the destructive impact on coral...

A marine biologist examines and photographs corals on the Great Barrier Reef. In 1998 scientists began warning about the destructive impact on coral reefs of rising sea temperature, coral bleaching an...

Marine biologist Carden Wallace from the Museum of Tropical Queensland examines and photographs corals on the Great Barrier Reef. In 1998 scientists began warning about the destructive impact on coral...

Marine biologist Carden Wallace (left) from the Museum of Tropical Queensland examines corals on the Great Barrier Reef. In 1998 scientists began warning about the destructive impact on coral reefs of...

A diver swims over a patch of healthy stag horn corals on the Great Barrier Reef. In 1998 scientists began warning about the destructive impact on coral reefs of rising sea temperature, coral bleachi...

Proffessor Ekaratne and an assistant document dead corals, killed by a rise in the sea temperature.