It's an afternoon kick-off so there could be a mysterious illness spreading through the country that day preventing people from getting to work.

Last year she had a mysterious illness and undisclosed medical treatment.

Then in her early twenties she was struck down with a mysterious illness that rendered her partially conscious for nearly a decade - more of this later.

Recently, the number of gharial crocodiles was reduced by a mysterious illness that caused liver failure, and the early monsoon washed away one of their few remaining nesting islands.

The letter describes how she became sick and succumbed to a mysterious illness, later revealed to be radiation poisoning.