zombies (#1)

your tv screen suddenly glitches out, your electricity flickers before stabilizing again, a message is displayed on your screen now, a robotic voice reading it: "THIS IS NOT A TEST. A HIGHLY CONTAGIOUS BIOLOGICAL AGENT HAS BEEN IDENTIFIED. INITIAL SYMPTOMS RESEMBLE EXTREME AGGRESSION FOLLOWED BY RAPID NECROSIS. AVOID INFECTED INDIVIDUALS. SHELTER IN PLACE. FURTHER UPDATES WILL FOLLOW." ... what do you do next?