Infectious Disease

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  • Created by: Aurora Xu
  • Created on: 05-10-16 03:22
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Pathoge Means of Global Action of Pathogen Symptoms Factors to consider Prevention Treatment
n Transmission Distribution in prevention and
control
Cholera [Rod- -Food or water Asia -Incubation period: 2 hours Severe --Poor and - Satisfactory Administration of
shaped contaminated by the Africa to 5days diarrhea -- developing countries: processing of salts, glucose and
Bacteriu faeces of patients Latin -75% infected develop no rice water Cannot provide sewage electrolytes orally
m] America symptoms Abdominal adequate - Purification of or intravenously
-No access to proper muscle infrastructure for drinking water (when the patient
Vibrio sanitation and Endemic -Site of action: epithelium of cramp, sewage treatment or - Personal is too weak) to
Cholerae uncontaminated food small intestine vomiting and clean water supply Hygiene rehydrate the body
fever Antibiotics in
**Only Bacteria: Dehydration --Many countries: severe cases
two types --need to pass through Use of raw human **Vaccination?
stomach [if acidic enough, sewage to irrigate ** Why glucose?
Sereogro the bacteria are unlikely to vegetables Not very effective Helps the
up O1 survive] absorption of the
Sereogro --Reach the small intestine ions
up O139
!
secrete a toxin --
Choleragen [one A subunit
(enzyme) and five B
subunit(toxin)]
Epithelial cells secrete
CI, Na, HCO3 and K ions
(because of osmosis)
Water from the epithelial
cells also secrete out

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Pathoge Means of Global Action of Pathogen Symptoms Factors to consider Prevention Treatment
n Transmission Distribution in prevention and
control
Malaria [Protoctis Insect-borne disease Tropics and -when female mosquito Incubation -Plasmodium -Reduce the -Antimalarial
t] sub-tropics feeds on blood, she injects Period: a become resistant to number of drugs:
Vector* An organism secretion from her salivary week to a drugs mosquitoes Quinine and
Plasmod that transfer a disease year -Mosquitoes become -Drain water Chloroquine
gland " Plasmodium
ium or parasite from one resistant to DDT…read more

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Pathoge Means of Global Action of Pathogen Symptoms Factors to consider Prevention Treatment
n Transmission Distribution in prevention and
control
Tuberculo [Rod- -(M.Tuberculosis) Worldwide GOOD health: Persistent -Some strains of TB BCG Vaccine -A combination of
sis(TB) shaped Airborne droplets Most show no symptoms cough, bacteria are resistant antibiotics
Bacteriu coughing to drugs [!!Need to
m] -(M.…read more

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Pathoge Means of Global Action of Pathogen Symptoms Factors to consider Prevention Treatment
n Transmission Distribution in prevention and
control
Measles [Virus] Airborne droplets Worldwide -Infects upper respiratory Incubation Biological: -- Vaccination Pain and fever-
Can spread through Mostly tract or conjunctiva of Period: 10-14 -Very contagious reducing
Morbillivi coughing and sneezing Africa, the eyes days -Virus can survive in medicines
rus South-east the air up to few
****Measles virus Asia, Middle -Initially cold-like symptoms, Clinical hours
can live in air up to two East…read more

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