Pandemic: On the Brink - Virulent Strain DLC Steam CD Key - discussion

You thought you found the cure, but what happens when the diseases get stronger? When your first epidemic appears, one of the diseases will become the Virulent Strain, a more aggressive and trickier disease. This disease can spread faster and is more difficult to cure, creating a new challenge for you and your team. Work together to utilize your special skills and contain this new pandemic! Can you save humanity?
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