کلوز مربوط به درس 3 دهم. Vaccination is a simple, safe, and | Zabankhazaei1400

کلوز مربوط به درس 3 دهم. Vaccination is a simple, safe, and effective way of (1) …… people against harmful diseases, before they come into contact with them. It uses your body’s natural (2) ….. to build resistance to specific infections (3) ……… . Vaccines…