Virus ( status ) Virus , sometimes called Disease or Pointless , is a negative status effect appearing in various games . It is normally not visible during a fight except by checking a character ' s status in a menu during the fight . Appearances . " Final Fantasy IX " . Virus prohibits a character from earning Experience Points and Ability Points at the end of a battle , stunting character growth . In addition , Virus completely nullifies the target ' s Evasion stat . Virus can be removed by use of a Vaccine . " Final Fantasy X - 2 " . Pointless prohibits a character from earning experience and Ability Points . It can be cured with Holy Water . The character inflicted will start flashing slowly . " Final Fantasy XI " . Virus ( divided into Plague or Disease ) inhibits the regeneration of HP and MP through Healing . Players can still gain some HP and MP through Cures , Regen , and Refresh , as well as items that grant similar bonuses , however . The variation effect Plague instead slowly saps MP and TP until it wears off . Both status effects can be removed by casting Viruna on the inflicted . " Final Fantasy XII " . Disease prohibits the use of healing items and magicks on a character . It does this in an odd way , by turning a character ' s Current HP into their new Maximum HP after it ' s inflicted . Even though they receive damage , the health bar doesn ' t drop at all , and seems to stay at 100 % . Their actual HP does drop , but even Libra cannot detect the actual current HP . Enemies usually combine Disease with Poison and / or Sap which will eventually reduce character ' s hit - point to only 1 / 1 ( in such state , character is not regarded as HP Critical ) . Disease is cured with a Vaccine , the White Magick s Cleanse , or a Remedy , provided the character has the license , Remedy Lore 3 . Characters who are currently in Bubble status will be immune to Disease . A KO ' d character with Disease status will have only 1 / 1 HP if he / she was revived . A character can inflict Disease on enemies by using Vaccine or Remedy only if that character has the accessory Nihopalaoa equipped . In the " International Zodiac Job System " version , a newly included mace " Guriguri Banban " can inflict Disease along with Sap while attacking with 100 % success rate . It is a vital weapon for the 100th stage of the Trial Mode . It can also be inflicted upon one enemy using the offensive item Meteorite ( B ) . " Final Fantasy XIV " . Virus reduces Strength and Dexterity by 15 % . Disease is a debuff separate from Virus . Disease reduces effectiveness of healing spells and reduces the user ' s movement speed , similar to the Heavy status . " Final Fantasy Brave Exvius " . Disease lowers the afflicted party members ' STR , DEF , MAG , & SPR by 10 % - which dampens the units ' damage outputs , overall damage resistance , and magic healing potency - all in addition to any stat debuffs inflicted through offensive Abilities . Disease is cured with a Vaccine , the White Magic Cleanse , or certain characters ' Special Abilities and Limit Bursts . Disease is normally a persistent Ailment over multiple battles or ongoing Explorations , but Terra cures of all Ailments after each battle with her Passive Ability , Guardian Mog .