An electrical contact is provided that includes an elastomeric body extending between a base portion and a mating end portion. The first user interface component can be linked to a private portion of the wireless device. Each pocket has a bottom wall, which cooperates with the cam member and is movable between a fully-closed position, in which the microtablets are retained inside the respective pocket, and a fully-open position, in which the microtablets are unloaded. Particularly, the exogenous polypeptide is inserted into the carboxyl-terminus of the JEV NS1, and the production of the recombinant fusion protein does not affect viral replication.