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Vaccines against COVID-19 may not need to be administered annually: WHO
Updated : 5 years, 7 months ago IST
Moscow [Russia], October 17 (ANI/Sputnik): Ekaterina Ivanova - Any safe and effective vaccine against COVID-19 may not need to be administered annually, unlike vaccines for influenza, Dr. Richard Mihigo, the program area manager for immunization and vaccine development at the World Health Or
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