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// dayz disease

Influenza

A cold that keeps growing because you stay cold with a weak immune system.

Heals by itself

Flu only

When you are warm the fever is gone in ~11 min.

Deadly

~24 min

Pneumonia, from full health with full blood.

Cure

Tetracycline

Pneumonia back to the flu in ~100 s when you are warm.

The flu is a cold that has grown further: the same flu germs in your body, which the game counts as agents, up to 1200. They multiply while you are cold and your immune system is at or below ~72 %, and die off once you are warm. From 1150 agents it turns into pneumonia, which never heals by itself — not even in the warm.

Stages

How the disease runs in the game, stage by stage: when it starts, what it does, and whether it still heals.

  1. Flu

    heals by itself

    from 600 agents (of 1200); ends at 400

    Symptoms

    • Coughing
    • Sneezing
    • Feeling hot
    • Blurry vision
    • Thermometer shows 38.5 °C or more
    • Getting thirsty unusually fast
    • Sick icon in the status bar

    Fever: you lose an extra 0.2 water per second, your vision blurs, you act hot every 12–18 s and a thermometer shows 38.5–39 °C. The cold stays underneath, so you keep sneezing.

    When you are warm, or your immune system is above ~72 %: 0.3 agents per second. The fever ends after ~11 min; all agents are gone after ~33 min (strong immune system) to ~38 min (weak).

    Tetracycline Pills· Warm: 1 pill ends the fever in ~2–3 min. In the cold it barely gets ahead of the growth.Multivitamin Pills· For 5 min the agents die off twice as fast (0.6 per second), even in the cold.Codeine Pills· No cure — you only sneeze half as often.

    Freezing with a weak immune system: pneumonia in ~23 min (light blue), ~15 min (dark blue), ~13 min (flashing).

  2. Pneumonia

    only with medicine

    from 1150 agents; ends at 1100

    Symptoms

    • Gasping for air
    • Coughing
    • Sneezing
    • Feeling hot
    • Blurry vision
    • Thermometer shows 38.5 °C or more
    • Stamina runs out fast
    • Losing health without being hurt
    • Sick icon in the status bar

    You lose 0.1 health per second, and your stamina drains 1.3× as fast and refills at half speed. The fever of the flu goes on.

    Never by itself, not even when you are warm: in the warm the agents stay where they are, in the cold they keep growing. Only tetracycline brings you back to the flu.

    Deadly: ~24 min from full health with full blood, ~17 min with little blood — your normal health regeneration slows it a little.

    Tetracycline Pills· Warm: ~100 s back to the flu. In the cold ~3–5.5 min, so you may need a second pill.

How to get rid of it

Get warm, then take tetracycline; for pneumonia take a second pill when the first one has worn off. Multivitamins help against the flu but not against pneumonia.

Tetracycline PillsMultivitamin PillsCodeine Pills

How to avoid it

Do not stay in the blue: dry clothes, a fire and a warm meal stop a cold from getting this far.

Good to know

  • Multivitamins do nothing against pneumonia.
  • Painkillers and morphine halve the sneezing; they cure nothing.
  • When the flu ends, no new agents get in for 5 minutes (10 after pneumonia). With a weak immune system the count also stands still during that time — it neither grows nor fades.
  • A mask lowers the chance of picking up agents from a coughing or sneezing player.

Not sure it is this?

The doctor asks what you notice on your character and names the disease and its stage.

Sick? Find out what you have ›