PRICES MAY VARY. BIOLOGY CARD GAME - Learn about viruses from a science game! Play as a virus to take over the host cell and collect helicals, icosahedrals, genomes, spherical envelopes just like in biology class. STRATEGIC PLAY - A blind bidding card game about viruses with a level of strategy to engage an adult gamer, yet intuitive enough for kids 8 and up to play at home or in the classroom. EASY TO LEARN, FAST PACE, QUICK TO PLAY - Virulence is a great game for gamers, science class or famil