The Virus is a passive item in The Binding of Isaac.

+0.2 speed.

Inflicts poison on enemies who make contact with Isaac.

The poison lasts for 6-7 ticks and deals damage equal to 0.2 × HeartContainers ^ 2 + 2. The poison can be continuously applied to bossses which normally are immune to status effects for a brief time after being inflicted with one.

Makes Isaac deal 24 contact damage per tick on top of applying poison (48 damage per second).

Can be dropped from the Lust mini-boss.

This page shows the latest information as of the new Repentance+ (Online Co-op) DLC.
To see information about this item for the previous Repentance version, check this page instead.

This item contributes towards the Spun transformation. Collecting 3 items from this set will grant Isaac +2 damage, +0.15 speed and spawn a random pill.

The Virus can be found in the following item pools:

The following tags are applied to this item:

The following special synergies and interactions for The Virus have been documented.

* Note that not all possible synergies and interactions are listed here.

Below is the Internal Item Description as shown in-game.
Note that some stat changes are not displayed here. Please see the main description for the full effects.

The Virus

• Poisons enemies on contact
• Abyss: x1 poison locust 1x Isaac's damage

• Check out the item description on the external Isaac Wiki.