The European Medicines Agency (EMA) has doubts regarding the need of the fourth booster dose of vaccine from Covid-19. Marco Cavaleri, the EMA Head of Vaccines Strategy Department said so as quoted by Reuters.
"While use of additional boosters can be part of contingency plans, repeated vaccinations within short intervals would not represent a sustainable long-term strategy", the official said at a briefing.
According to him, there's currently no data that would confirm the effectiveness of such approach in combating the Omicron strain.
The EMA representative expressed his concern about the fact that the strategy of implementation of boosters every four months can hypothetically create a risk of overload of human immune system, leading to the fatigue of the population.
"Cavaleri also said more data on the impact of the new variant on vaccines and a better understanding of the evolution of the current wave were needed to decide whether an Omicron-specific vaccine was needed", reads the story.