Agent Yellow was a virus that turned oxygen into sulphuric acid. On one account, Liz Shaw died from this virus in 2003. The Seventh Doctor was able to devise an antidote known as Agent Scarlet. (PROSE: Eternity Weeps)
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Agent Yellow was a virus that turned oxygen into sulphuric acid. On one account, Liz Shaw died from this virus in 2003. The Seventh Doctor was able to devise an antidote known as Agent Scarlet. (PROSE: Eternity Weeps)