Two young people have died in the outbreak, and two more cases have been identified. Four of the 15 confirmed cases are Meningitis B.
Watch live as Greg James attempts an incredible 1000km cycle - on a tandem bike - all to raise money for Comic Relief.
This incredible audio has just been discovered, and was recorded on 7 March 1949 by researchers aboard a ship near Bermuda.
Follow along with Greg's biggest challenge yet, an incredible 1000km cycle - on a tandem bike - all to raise money for Comic Relief.
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