Moderate as in serum A substance used in medicine to stimulate the immune system, helping the body develop resistance to a particular disease. Clear All
2 Example Sentences Showcasing the Meaning of 'Vaccine'
After receiving the flu vaccine, she felt relieved knowing she had taken a proactive step to stay healthy during the winter.
The international effort to distribute COVID-19 vaccines aims to achieve widespread immunity and curb the pandemic's impact.
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