penicillin

Example Sentences

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Testing revealed the most common species was penicillium chrysogenum, famous because it is used to produce the penicillin antibiotic but it can cause allergic reactions or infections in people with compromised immune systems.

From BBC • Mar. 19, 2026

Alexander Fleming discovered penicillin after mould accidentally contaminated a laboratory dish and killed surrounding bacteria.

From Science Daily • Mar. 14, 2026

Common problems that could have been treated with an office visit and a few penicillin pills will blossom into heart-valve infections and organ failure.

From MarketWatch • Jan. 26, 2026

He has been raising concerns about production of everything from bombs to rare earths to penicillin, saying manufacturing is lagging behind and an investment plan is needed.

From The Wall Street Journal • Dec. 8, 2025

The great contemporary achievement of modern medicine is the technology for controlling and preventing bacterial infection, but this did not fall into our laps with the appearance of penicillin and the sulfonamides.

From "The Lives of a Cell" by Lewis Thomas