The second level of protection means have been diagnosed in the first stage of the disease and have been keeping Nick. The severity of the disease, there is a short period to return to the State of having good health quickly.
To prevent the two means are diagnosed in the early stages of the disease and treated promptly. The severity of the disease is relatively short to return to a state of good health quickly.
Prevention of second level means to be diagnosed in the early stages of the disease and treated promptly. The severity of the disease is a short period of time can return to a state of healthy and quickly.