The most common and most likely answer to this crossword clue is the 7 letter word BACILLI
I've seen this crossword clue in The Daily Telegraph
B
A
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I
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I
More clues leading to the result BACILLI
- What’s making graduate sick in Channel Islands?
- Sick, I take taxi, laid up — by these?
- Airline gets reckless – I hear they transmit diseases
- Bugs depicted in Cyrillic abbreviations from the East
- Book’s account regarding diseased state: one lot of germs?
- Bugs Bunny and company intended letting Lulu in at first
- Germs in second-rate air-conditioning bringing misfortune to island
- Graduate with cold, under the weather — one could get germs
- Germs could become biological without processed goo
- B-Bill having ailment, one on account of these?
Buddy explains!
The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does BACILLI mean?
BACILLI noun- Any of various rod-shaped, spore-forming aerobic bacteria in the genus Bacillus, some of which cause disease.
- Any bacilliform (rod-shaped) bacterium.
- (by extension) Something which spreads like bacterial infection.