{
    "term": "vaccine",
    "partOfSpeech": "noun",
    "definitions": [
        {
            "senseNumber": null,
            "definition": "a substance that is put into the blood and that protects the body from a disease",
            "examples": [
                {
                    "text": "a measles vaccine"
                },
                {
                    "text": "There is no vaccine against HIV infection."
                },
                {
                    "text": "Researchers are trying to develop a vaccine against the disease."
                },
                {
                    "text": "The polio vaccine has saved millions of lives."
                },
                {
                    "text": "The vaccine protects babies and children against tuberculosis."
                },
                {
                    "text": "a live vaccine containing the polio virus"
                },
                {
                    "text": "a vaccine for meningitis"
                },
                {
                    "text": "a vaccine to prevent rubella"
                },
                {
                    "text": "one dose of BCG vaccine"
                }
            ],
            "topics": ["Healthcare"],
            "collocations": {
                "adjective": ["effective", "safe", "flu"],
                "… of vaccine": ["dose"],
                "verb + vaccine": ["give somebody", "have", "receive"],
                "vaccine + verb": ["protect somebody", "prevent something"],
                "vaccine + noun": ["development", "research", "trial"],
                "preposition": ["vaccine against", "vaccine for"]
            }
        }
    ],
    "pronunciations": {
        "uk": [
            {
                "pronunciation": "/ˈvæksiːn/",
                "audio": "va/vaccine/vaccine__gb_1.mp3"
            }
        ],
        "us": [
            {
                "pronunciation": "/vækˈsiːn/",
                "audio": "va/vaccine/vaccine__us_1.mp3"
            }
        ]
    },
    "wordOrigin": "late 18th cent.: from Latin vaccinus, from vacca ‘cow’ (because of the early use of the cowpox virus against smallpox)."
}