▁w ides p read ▁in ▁the ▁tropical ▁eastern ▁low lands , ▁where ▁conditions ▁led ▁to ▁a ▁th riv ing ▁mos qu ito ▁population . ▁Boliv ia ' s ▁health care ▁services ▁had ▁difficulty ▁in ▁cop ing ▁with ▁the ▁out break , ▁with ▁exper ts ▁from ▁Venezuela , ▁Cuba , ▁Par agu ay ▁and ▁the ▁World ▁Health ▁Organ ization ▁called ▁in ▁to ▁assist . ▁ ▁Foreign ▁aid ▁▁ ▁H iro f umi ▁Nak as one , ▁Japan ' s ▁Ministry ▁of ▁Foreign ▁Affairs ▁planned ▁to ▁send ▁seven ▁million ▁y en ▁in ▁emer gency ▁relief ▁goods . ▁ ▁Mos qu ito ▁transmission ▁ ▁Mos qu ito es ▁th rive ▁in ▁the ▁high ▁temper atures ▁and ▁hum id ity ▁of ▁the ▁Boliv ian ▁low lands ▁and ▁it ▁was ▁that ▁region ▁which ▁saw ▁the ▁highest ▁numbers ▁of ▁inf ected ▁civ ili ans . ▁There ▁is ▁currently ▁no ▁v acc ine ▁for ▁den gue ▁fe ver . ▁Those ▁inf ected ▁experience ▁flu - like ▁sympt oms ▁such ▁as ▁severe ▁head aches , ▁fe vers ▁and ▁joint ▁pain . ▁ 1 ▁of ▁ 4 ▁people ▁inf ected ▁with ▁den gue ▁will ▁develop ▁sympt oms . ▁ ▁There ▁is ▁no ▁specific ▁treatment ▁for ▁den gue , ▁other ▁than ▁man aging ▁the ▁sympt oms . ▁The ▁best ▁way ▁to ▁address ▁den gue ▁is ▁to ▁dis rupt ▁the ▁mos qu ito ' s ▁habitat . ▁Mos qu itos ▁bre ed ▁in ▁st agn ant ▁water , ▁i . e . ▁open ▁storage ▁containers , ▁disc arded ▁t ires , ▁and ▁un collect