Vaccines against COVID-19 may not need to be administered annually: WHO Official
Oct 17, 2020
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 Organization's (WHO) Regional Office for Africa, told Sputnik in an interview.