Seventh covid wave: A Spanish virologist assures that the current vaccines against the coronavirus lose 99% of their effectiveness
— The Valencian researcher Luis Enjuanes assures that the new drugs against the coronavirus would have to be administered nasally – AGENCIES Wednesday, June 29, 2022, 10:45 —- In the midst of a debate on whether a fourth dose of the coronavirus vaccine is necessary for the entire population or only for the most vulnerable […]