Easy
Find the odd one out.
Explanation
Explanation
Sanitizer, Face Mask, and PPE Kit are all protective items used to keep people safe from infection. Corona Virus, on the other hand, is the disease-causing agent itself, not a protective item — so it doesn't belong with the group. The odd one out is Corona Virus, option (3).
PRO TIP
Re-check your working by substituting the answer back into the original question.