Question

1. ANSWER THE QUESTIONS.

a) What does the vaccines contain?
b) What did scientists around the world look for to combat the coronavirus?

2. WRITE 3 VACCINES USING IN ECUADOR?

3. WRITE THE INGREDIENTS IN A VACCINE TO COMBAT THE CORONAVIRUS.

Ayuda​.

Answer 1

Respuesta:

(a) conservantes,Adyuvantes, Aditivos, Residuos generados durante el proceso

(B) vacunas

2.sinovac,covax,pfizer

3.los antígenos,coadyuvantes, conservantes, estabilizadores