Answer:Well if we go back to the history one of the deadliest disease caused by insect bite is 'Smallpox' as it has been engulfed one doesn't have to worry about it, but if we talk about the present, 'Dengue fever' is a deadly disease which threats us even today.
In my oppinon free flu shots from many pharmacies have helped our community greatly. It keeps many safe from the flu virus and can save people's lives.
