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  1. COVID-19 vaccine - Wikipedia

    en.wikipedia.org/wiki/Covid-19_vaccine

    A COVID‑19 vaccine is a vaccine intended to provide acquired immunity against severe acute respiratory syndrome coronavirus 2 (SARS‑CoV‑2), the virus that causes coronavirus disease 2019 (COVID‑19).Prior to the COVID‑19 pandemic, an established ...

  2. COVID-19 - Wikipedia

    en.wikipedia.org/wiki/Coronavirus_disease_2019

    Coronavirus disease 2019 ( COVID-19) is a contagious disease caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). The first known case was identified in Wuhan, China in December 2019. The disease has since spread worldwide, ...

  3. Template:COVID-19 pandemic data - Wikipedia

    en.wikipedia.org/wiki/Template:COVID-19_pandemic_data

    Usage. This template is used to provide data for COVID-19 pandemic and COVID-19 pandemic by country and territory. It uses { { Cases in the COVID-19 pandemic }} to update the total numbers. Before making major changes, use the sandbox linked ...

  4. Antibiotic - Wikipedia

    en.wikipedia.org/wiki/Antibiotic

    An antibiotic is a type of antimicrobial substance active against bacteria.It is the most important type of antibacterial agent for fighting bacterial infections, and antibiotic medications are widely used in the treatment and prevention of such ...

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