An aid in the prevention of viremia, aid in the reduction of virus shedding, aid in the reduction of lymphoid infection caused by porcine circovirus Type 2 and an aid in the reduction of lung lesions caused by Mycoplasma Hyopneumoniae. Convenient dosing options (one x 2 mL or two x 1 mL) for 1-dose and 2-dose programs (see complete label instructions). The only PCV2 vaccine approved for use in pigs as early as 3 days of age (2-dose option). Five-month PCV2 DOI.