EMER

GING

INFE

CTIO

NS

DEFINITIONHuman diseases of infectious

origin that have increased within the past two decades or that are likely to increase in the near future

CONTRIBUTING FACTORS Travel Globalization of food supply and central

processing of food Population growth Increased urban crowding Population movements Ecologic changes Human behavior Antimicrobial resistance Breakdown in public health measures

TYPES West Nile

Chapter 44 (pg 940 941; including Chart 44-9)

Ebola Virus http://www.cdc.

gov/vhf/ebola/hcp/procedures-for-ppe.html

WEST NILEEtiologyBirds are the natural reservoir. Mosquitoes become infected when feeding on birds Incubation period 2-15 days after mosquito bite

Symptoms Asymptomatic or mild flu-like symptoms

FeverBody achesNauseaVomiting

Severe SymptomsHigh feverSevere headacheDecreased LOCTremorsVision lossSeizuresMuscle weaknessParalysis

Fewer than 1 in 150 people develop more serious neuroinvasive diseases

MeningitisEncephalitisParalysis or Poliomyelitis

Risk of neuroinvasive diseases is greater in those 64 or older

EBOLA VIRUS

Refer to handout provided taken from CDC website on slide 4 of this PowerPoint

BIOTERRORISM AGENTS

Table 25-2AnthraxSmallpox