The Control Disease Center (CDC) recommend wearing a mask to prevent flu for anybody that has already a sickness such as the flu or any other precondition. You can read more about the middle east respiratory syndrome symptoms in our Guide.
The oc43 is shutting down the all world with massive quarantine orders for fear to spread further the disease. Over 250,000 people worldwide have been infected already. But to avoid this number that is going to increase exponentially we could all imitate Hong kong and wear face mask to avoid flu.
So go Buy your best eye mask for flying RIGHT NOW to prevent the middle east respiratory syndrome symptoms from affecting you and/or to prevent-you from infecting other people around you.