The outbreak of the flu-like virus has wiped 41%, or $157 billion, off the share value of the world's 116 listed airlines, with many using up their cash so fast they can now cover less than two months of expenses, a Reuters analysis showed.

The industry's main global body, the International Air Transport Association (IATA), estimates the sector needs up to $200 billion in government support to help airlines survive.

The following charts show airlines' liquidity ratios, and their changes in cash and debt levels against core earnings.

(GRAPHIC: Airlines' change in cash levels - )

(GRAPHIC: Airline firms' current ratios - )

(GRAPHIC: Airline firms' net debt-to-EBITDA ratios - )

(GRAPHIC: Cash on hand by region - )

(GRAPHIC: Airline firms' debt-to-equity ratios - )

(GRAPHIC: Airline market cap - )

By Patturaja Murugaboopathy