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In,tensofthousandsofpeople
gatheredinSaudiArabia
fortheannualHajjpilgrimage.
Butwhatstartedoutasacelebration
ledtoahealthcrisis:
justafewdaysafterthepilgrimage,
morethan2,cases
ofmeningitisbrokeout
spreadingacrossSaudiArabia
andtherestoftheworld.
Theoutbreakwassofierce
thatitwasbelievedtohavesparkeda
waveofdeadlymeningitisepidemics
thatultimatelyinfectedtensof
thousandsofpeopleworldwide.
Meningitisistheinflammation
ofthemeninges,
threetissuelayersresponsiblefor
protectingthebrainandspinalcord.
Whatmakesmeningitissodangerous
