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Week 8 - Coggle Diagram
Week 8
Epidemiology
Attack rate
Number of people who get sick
Incidence rate
New cases
Prevalence
Total number of cases
Morbidity
Burden
`Case Fatality
Percentage of people dead from disease
Types
Endemic
Outbreak
Epidemic
Pandemic
Analytical studies
Cross sectional study
Retrospective study
Prospective study
Modes of disease transmission
Reservoirs
Natural habitat
Environmental reservoir
Allows identification of disease control
Humans
Symptomatic
Asymptomatic
Non-human reservoirs
Common
Zoonoses
Disease transmission
Vertical
Horizontal
Direct contact
Indirect contact
Droplet transmission
Respiratory disease
Food and water
Cross-contamination
Vectord
Host factors
Immunity to pathogen
General health
Age
Religious and cultural practices
Gender
Genetic background
Pathogen factor
Virulence
Dose
Incubation period
Emerging infectious diseases
Zootonic pathogens
Natural host
Transmission host
Terminal host
Contributing factors
Microbial agents
Human host
Human environment
Communicable disease
R0 = basic reproduction number
R0 > 1; for an epidemic to grow
R0 = 0; stays endemic
Factors
Length of disease + able to infect
Number of people sick person come in contact with when they were sick
Probability of sick person infecting healthy person