Symptoms
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Affection
Adrenal cortex manipulation helps the nurture and development of relationships. Increases infectivity and chance of mutation
Appreciation
Manipulation of hypothalamus lets host understand how happiness can transform peoples' lives. They often refuse to work on cure development
Contentedness
Serotonin tap helps host realise that being happy makes them enjoy life more. They are less interested in developing a cure
Digital Angel
Host films YouTube videos of their happy life. Significant chance that people in uninfected countries will open their borders, ports and airports
Digital Elf
Host takes happy selfies and shares them with the world. Small chance to tempt people in uninfected countries to open their borders, ports and airports
Digital Herald
Host shares stories of their happiness through social media. Chance to tempt people in uninfected countries to open their borders, ports and airports
Excitement
Dopamine release triggers delicious anticipation for the future which must be shared. Increases infectivity
Festive Tendrils
Tendril production in the cerebral cavities begins. Enables increased control over host brain
Friendship
Beta receptor blockers calm host, promoting socialising and making new friends. Increases infectivity, and chance of mutation
Gluttony
Release of endocrine disruptors results in overeating, feeling sick and no longer fitting into clothes. Reduces happiness
Harmony
Anandamide tap helps hosts realise that long term happiness is the most important thing in life. Hosts actively resist cure development
Indulgence
Leptin blockers causes hosts to lose self-control and do all sorts of things they wouldn't normally do. Increases infectivity
Intoxication
Opioid adjustments encourage overindulgence, as well as saying silly things. Increases infectivity but reduces happiness due to hangover
Jealousy
Tendrils mesh with frontal cortex, causing feelings of dissatisfaction with life and constant comparisons with others. Significantly reduces happiness
Joy
Endorphin surge fills host with contentment and happiness, making them run around singing. Significantly increases infectivity
Laughter
Hormone adjustments trigger joke-telling. Increases infectivity
Love
Oxytocin stimulation emphasises feelings of love when around family and friends. Significantly increases infectivity and happiness
Partying
Serotonin adjustments encourage hard partying, lots of socialising and loss of inhibitions. Increases infectivity
Santa's Little Neurax Worm
Mind control can be a power for good! Breach the blood/brain barrier to access the host brain and start making them happy again…
Sloth
Increased melatonin production causes hosts to laze around all day without achieving anything. Reduces happiness