During Pulse Polio Immunization, Auxiliary Nurse Midwife (ANM) has noticed that on vaccine vial monitor the color of square inside the circle is darker than the circle around it. What should be her action?
1
Administer the vaccine to children from the same vial
2
Administer the vaccine from same vial after shaking it
3
Put the vial in ice box for some time and then administer from the same vial
4
Should not use this vial for vaccination