Australia detects first case of contagious H5 bird flu

Progressive-leaning outlets emphasize the investigative process and include official statements noting the absence of evidence for mass bird mortality or widespread poultry infection.

Moderate outlets report the detection as a factual development, noting that the virus has now reached all continents.

Conservative-leaning outlets stress the 'deadly' or 'killer' nature of the strain and highlight Australia's status as the final continent to detect it, emphasizing the global threat.