Quindío is participating in the creation of a new vaccine against Covid-19 –
Author: María Angélica Molina Martínez The Astrazeneca, Moderna, Pfizer and Johnson & Johnson vaccines have had a very similar level of effectiveness of between 80 and 90%, said the doctor Gregorio Sánchez Vallejo. It is in the validation stage in humans. Within the framework of the third anniversary of the first diagnosis of Covid-19 in … Read more