We have now added in Vaccination! You can boost the attack of your white blood cells against the viruses by vaccinating with mRNA! Humanity is facing an unprecedented threat. The world is plagued by invisible enemies, namely, the unholy trinity of SARS, MERS & now the new and powerful Virus hitherto unknown to humankind. The people of the world are uniting like never before to battle the evil forces of the Viruses. You are the leader of the red & white blood cells in the body. You must comman