What is known about the #Pfizer vaccine and what challenges it faces

Pfizer and BioNTech laboratories stated that a preliminary analysis showed that their coronavirus vaccine was effective in more than 90% of the patients in which it was tested.

• 2020-11-13T17:07:34+00:00
• Duration: 05:04

• pfizer
• sALUD
• coronavirus
• COVID19
• vacunacovid19
• vacunacoronavirus
• nota
• Noticias
• Noticia

Share

Keywords

vacuna pfizer, pfizer, coronavirus, covid19, vacuna pfizer, vacuna covid19, vacuna coronavirus