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An outbreak of acute hepatitis B occurred between August and November 2015, at an assisted living center with 60 residents. Eight residents contracted the hepatitis B virus, and 5 died. All the residents who died had hepatitis B diagnosed by blood tests. The age of the deceased ranged from 63 to 83 years. Investigators with the State Health Department found that all 8 residents had diabetes and underwent blood-glucose monitoring at the center. Hepatitis B virus is typically transmitted by exposure to blood or body fluids. Investigators concluded that the outbreak probably occurred when staff at the assisted-living center used the same blood-glucose monitors on different residents. 

 

a.​ What was the incidence/attack rate of hepatitis B during the outbreak?

 

b.​What was the disease-specific mortality rate?

c.​What were the risk factors for being infected with the hepatitis B virus during the outbreak?

SCIENCE
HEALTH SCIENCE
NURSING
NURS 4200

 
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