The phrase "as a bad case" is correct and usable in written English.
It can be used to describe a situation or example that is particularly negative or undesirable.
Example: "In this scenario, we can consider the financial losses as a bad case of mismanagement."
Alternatives: "as a poor example" or "as a negative instance".
E. B. White figured that the country was suffering from nothing so much as a bad case of the heebie-jeebies, brought on by extended exposure to newspapers that were forever issuing warnings about sharks infesting the beaches of New Jersey, anthrax spores contaminating unsterilized shaving brushes, and noxious gases escaping from iceboxes in the middle of the night.
Burdened with a murdered father, a grotesquely abusive mother and the fruits of an incestuous teenage quickie in the attic, as well as a bad case of jaundice, this killer can barely muster the energy to pick off his indistinguishably bland victims.
Leaf's own ghastly array of afflictions are mostly physical, including the chronic ulcerative colitis he inherited almost at birth, as well as a bad case of Attention Deficit Disorder, and some mysteriously recurring rashes.
Last year also featured the movie Juno, in which star Ellen Page played a 16-year-old whose quick-wit and sarcasm made her unwanted pregnancy seem as challenging as a bad case of acne.
Democratic leaders have mostly shrugged off the relentless barrage of personal smears, innuendos, and carps about her personal dealings as a bad case of the GOP and much of the media grabbing at straws or sensationalism to taint Hillary.
"I can't really afford to pay you, but what the hell?" he said as rashly as someone with a bad case of shingles.
An official source described her, in rather un-French fashion, as having "a bad case of the blues".
Gorgeous close-ups of hundreds of varieties, with suggestions for companion planting for pots and borders, as well as sources, may trigger a bad case of the "if only's".
It is, as Hamlet might say, a bad case of "words, words, words".
"Long on equities?", your neighbours sneer, as if you had a bad case of garden gnomes.Most people can name no more than three hedge funds: Long-Term Capital Management (LTCM), which was bailed out in 1998, and George Soros's Quantum and Julian Robertson's Tiger funds (wound down and closed, respectively, because of their rotten returns).
"Once I get up I feel better and I pull myself together, I remember those two letters, it will be OK," sings Mika, a sentiment that's summed up in the video, as it cuts between a bad case of writer's block to a big rave-up at one of those New York loft parties that only seem to exist in music videos.
