Australia confirmed its first case of H5N1 in June in migratory seabirds. Since then, the virus has spread rapidly, straining government responses.

© Joel Carrett/Australian Associated Press, via Reuters

The National Transportation Safety Board said it had found a bird’s remains and feathers on a broken engine.

© Alexandros Avramidis/Reuters

The spill of Russian crude bound for India compounds the environmental damage from spills in and around the Strait of Hormuz, where tankers and oil facilities have come under attack.

© via Reuters