Pandemic Official Rules: Infection Rate and Epidemic Guide

The infection rate increases by 1 space whenever an Epidemic card is drawn during the Draw phase.

Many players mistakenly believe the infection rate increases during standard infection steps, but it actually only changes when an Epidemic card is drawn.

According to the Z-M Games Official Rulebook, the infection rate increases specifically when an Epidemic card is drawn from the Player Deck.

Pandemic Official Rules [edition not specified]

Expertise: Board game rules expert and content writer. | Verification: Cross-referenced official rulebook text regarding the '1-Increase, 2-Infect, 3-Intensify' sequence. | Purpose: Resolve the #1 confusion regarding how the infection rate increases in Pandemic.
Key Insight: To avoid arguments, ensure everyone agrees on the difference between the Outbreak track and the Infection Rate track before the first Epidemic is drawn.

These rules correspond to the US edition of Pandemic.

Official Rule Breakdown

The infection rate mechanism is tied directly to the Epidemic cards. When a player draws an Epidemic card from the Player Deck, the player must follow a three-step process: 1) Increase the infection rate marker forward 1 space on the Infection Rate Track; 2) Infect by drawing the bottom card from the Infection Deck and placing 3 cubes on that city, then discarding that card; and 3) Intensify by shuffling the cards in the Infection Discard Pile and placing them on top of the Infection Deck (So…

Step-by-Step

  1. Step 1: Move the Infection Rate marker forward 1 space on the Infection Rate Track.
  2. Step 2: Draw the bottom card from the Infection Deck, place 3 disease cubes of the matching color on that city, and discard the card.
  3. Step 3: Shuffle all cards in the Infection Discard Pile and place them on top of the Infection Deck.

Example Play Situation

Alice draws 2 cards from the Player Deck and finds an Epidemic card. She moves the Infection Rate marker forward one space, places 3 cubes on the city at the bottom of the Infection Deck, and then shuffles the discard pile back onto the top of the deck.

Pandemic rules rule situation

Common Misconceptions

  • Increasing the rate after every infection
  • Thinking the rate increases during the Infect cities step
  • Confusing the Outbreak marker with the Infection Rate marker

Quick Reference

You CanYou Cannot
Move the marker forward 1 space when an Epidemic is drawnDo not increase the rate during normal infection steps
Place 3 cubes on the city from the bottom of the Infection DeckDo not forget to shuffle the discard pile after an Epidemic
Shuffle the discard pile onto the top of the deckDo not draw replacement cards for Epidemic cards

Frequently Asked Questions

What is the official rule for the infection rate in Pandemic?
The rate increases by 1 space whenever an Epidemic card is drawn from the Player Deck.
Does the infection rate go up when a city has an outbreak?
No, outbreaks move the Outbreaks marker, not the Infection Rate marker.
How many cubes do I place if an Epidemic happens?
You draw the bottom card from the Infection Deck and place 3 cubes on that city.
What happens to the Infection Discard Pile after an Epidemic?
You must shuffle those cards and place them on top of the Infection Deck.

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