BCG vaccine
noun
: a vaccine prepared from a living attenuated strain of tubercle bacilli and used to vaccinate human beings against tuberculosis
called also BCG
Examples of BCG vaccine in a Sentence
Recent Examples on the Web
The BCG vaccine, while primarily for TB, can offer some protection against leprosy, particularly if someone in the household has leprosy.
—
Cindy Krischer Goodman, Sun Sentinel, 27 May 2025
The BCG vaccine often leaves a scar where the recipient was given the shot.
—Mary Kekatos, ABC News, 30 Apr. 2025
But another vaccine — the BCG vaccine, formally called the Bacillus Calmette-Guérin vaccine which was developed more than a century ago — is somewhat effective in infants, Turner said.
—Evan Moore, Charlotte Observer, 10 Feb. 2025
The BCG vaccine is effective at reducing transmission of TB among cows, but the U.K. prohibits its use because current tests can’t distinguish between infected cattle and vaccinated ones—a concern for trading cattle.
—Byerik Stokstad, science.org, 5 Sep. 2024
Merck may have a competition for ever-scarce BCG There’s long been a global shortage of the BCG vaccine, which has long been used to treat bladder cancer.
—Meghana Keshavan, STAT, 6 May 2024
The researchers used records from Canada’s national health registry to track people who had received the BCG vaccine as children in the 1970s.
—Viviane Callier, Scientific American, 19 Jan. 2023
Scientists in California recently reported that the healthcare workers who received the BCG vaccine in the past were less likely to contract COVID-19.
—Kate Baggaley, Popular Science, 18 Dec. 2020
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Cindy Krischer Goodman, Sun Sentinel, 27 May 2025
The BCG vaccine often leaves a scar where the recipient was given the shot.
—Mary Kekatos, ABC News, 30 Apr. 2025
But another vaccine — the BCG vaccine, formally called the Bacillus Calmette-Guérin vaccine which was developed more than a century ago — is somewhat effective in infants, Turner said.
—Evan Moore, Charlotte Observer, 10 Feb. 2025
The BCG vaccine is effective at reducing transmission of TB among cows, but the U.K. prohibits its use because current tests can’t distinguish between infected cattle and vaccinated ones—a concern for trading cattle.
—Byerik Stokstad, science.org, 5 Sep. 2024
Merck may have a competition for ever-scarce BCG There’s long been a global shortage of the BCG vaccine, which has long been used to treat bladder cancer.
—Meghana Keshavan, STAT, 6 May 2024
The researchers used records from Canada’s national health registry to track people who had received the BCG vaccine as children in the 1970s.
—Viviane Callier, Scientific American, 19 Jan. 2023
Scientists in California recently reported that the healthcare workers who received the BCG vaccine in the past were less likely to contract COVID-19.
—Kate Baggaley, Popular Science, 18 Dec. 2020
Cite this Entry
“BCG vaccine.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/BCG%20vaccine. Accessed 30 Oct. 2025.
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BCG vaccine
noun
: a vaccine prepared from a living attenuated strain of tubercle bacilli and used to vaccinate human beings against tuberculosis
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