The Pfizer company said that its vaccine against COVID-19 was very effective in children of 12 years of age, which was considered an essential step toward the immunisation of that age group before the next school year. Pročitaj više
The Pfizer company said that its vaccine against COVID-19 was very effective in children of 12 years of age, which was considered an essential step toward the immunisation of that age group before the next school year. Pročitaj više