Obtenga sus vacunas de refuerzo Covid-19 Protéjase contra las variantes
What is a booster? A booster is a vaccine given after the original series of vaccinations. Why do we need it? Much like other viruses, such as the flu virus, the virus that causes Covid-19 changes with time. In order to strengthen the immune system so that it responds to new varieties (variants) of the […]
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