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How to Get Contagious Spread in Warframe (2026): Where It Drops, Stats and Is It Worth It
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How to Get Contagious Spread in Warframe (2026): Where It Drops, Stats and Is It Worth It
Contagious Spread increases the Toxin damage of shotguns by 90% at max rank
Last Updated on September 18, 2026
The short answer
Contagious Spread is an uncommon shotgun (primary) mod: Contagious Spread increases the Toxin damage of shotguns by 90% at max rank. The fastest way to get Contagious Spread is from Eris Caches in Rotation B, which have a 5.64% chance. It is on 6 of our 242 weapon builds.
Reviewed September 13, 2026, current through Update 43.5. Stats are max rank from the live game data, drop chances from the official drop tables; this page is re-checked after every major patch.
| Mod facts | |
|---|---|
| Slot | Shotgun (primary) |
| Rarity | Uncommon |
| Polarity | Naramon (dash) |
| Drain at max rank | 11 (rank 5) |
| At max rank | +90% Toxin |
| Fastest route | The fastest way to get Contagious Spread is from Eris Caches in Rotation B, which have a 5.64% chance. |
| On our builds | 6 of 242 weapon pages |
Table of Contents
The card
Tap it to unfold the full card at max rank.
11
Contagious Spread
Contagious Spread
+90% Toxin
Shotgun
Where it drops
Official drop table, best chance first.
| Where | Chance | Rarity |
|---|---|---|
| Eris/Candiru (Caches), Rot B | 5.64% | Rare |
| Eris/Lepis (Caches), Rot B | 5.64% | Rare |
| Eris/Psoro (Caches), Rot B | 5.64% | Rare |
| Eris/Viver (Caches), Rot B | 5.64% | Rare |
| Eris/Naeglar (Caches), Rot B | 5.64% | Rare |
| Duviri/Endless: Tier 1 (Normal) | 0.67% | Legendary |
| Duviri/Endless: Tier 3 (Normal) | 0.67% | Legendary |
| Scavenger Drone | 0.34% | Uncommon |
| Narmer Scavenger Drone | 0.34% | Uncommon |
| Electric Crawler | 0.17% | Rare |
Weapons we put it on
Contagious Spread is in the recommended build on these guides; the tile opens the full build with every mod card.
Tips that save runs
- Shotguns with high base damage for increased Toxin scaling.
- Shotguns with high status chance to apply Toxin procs.
- Shotguns used in builds that combine Toxin with other elements for Corrosive, Viral, or Gas.
- The mod increases Toxin damage only for shotguns.
- It provides a flat percentage increase to Toxin damage.
Mistakes that waste runs
- Players might incorrectly assume it applies to all weapon types.
- Players might confuse it with mods that add elemental damage types other than Toxin.
- Players might not realize it only affects the Toxin damage component, not overall damage.