Vaccine War: Which one is most effective against COVID-19?

The global pandemic caused by COVID-19 has caused a pharmaceutical battle in different countries. The objective is to obtain the most effective vaccine against the disease that registers around 1.3 million deaths and almost 55 million infected people.On Monday, November 9, the alliance of laboratories Pfizer (United States) and BioNTech (Germany) made a joint announcement. … Sigue leyendo Vaccine War: Which one is most effective against COVID-19?