Covid-19 or novel coronavirus

It is a recent viral infection that has spread as a pandemic, affecting the majority of the world and neutralising the entire nominal system. Since the virus's spread, various pharmaceutical companies and universities have been working to develop a vaccine to treat it. In late November, Astrazenca and Oxford University announced that they had successfully developed the vaccine (with higher efficacy) and that the vaccines had been approved by WHO for use on a global scale. Bharat Biotech has also successfully developed a covid vaccine, which has been widely distributed in India and around the world. However, there were concerns about the vaccine's efficacy and whether it had undergone every clinical trial possible. These vaccines are currently being used in the fight against covid all over the world.


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