Johnson & Johnson files for emergency use authorisation of its single-dose vaccine
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As several countries around the world continue to vaccinate their citizens against Covid using the two-dose vaccines, Johnson & Johnson has sought emergency use authorisation of its single-dose coronavirus vaccine from US health regulators. J&J's vaccine will be the third vaccine in the United States if it gets approval. The vaccine candidate, unlike many others, does not require to be stored in deep-freeze storage.