Infection Control: Common Pathogens and resulting major infections

Question 1

What is the major reservoir and infections for Clostridioides difficile? (bacteria)

Answer 1

• Reservoir: Colon
• Major Infections: Colitis, diarrhea

Question 2

What is the major reservoir and infections for Escherichia coli? (bacteria)

Answer 2

• Reservoir: Colon
• Major Infections: Gastroenteritis, urinary tract infection

Question 3

What is the major reservoir and infections for Staphylococcus aureus? (bacteria)

Answer 3

• Reservoir: Skin, hair, anterior nares
• Major Infections: Wound infection, pneumonia, food poisoning, cellulitis, bacteremia, meningitis, osteomyelitis, septic arthritis

Question 4

What is the major reservoir and infections for Streptococcus group A? (bacteria)

Answer 4

• Reservoir: Oropharynx, skin, perianal area
• Major Infections: “Strep throat”, rheumatic fever, scarlet fever, impetigo, wound infection, glomerulonephritis

Question 5

What is the major reservoir and infections for Streptococcus group B? (bacteria)

Answer 5

• Reservoir: Adult genitalia
• Major Infections: Urinary tract infection, wound infection, postpartum sepsis, neonatal sepsis

Question 6

What is the major reservoir and infection for Mycobacterium tuberculosis? (bacteria)

Answer 6

• Reservoir: Droplet nuclei from lungs
• Major Infection: Tuberculosis

Question 7

What is the major reservoir and infections for Neisseria gonorrhoeae? (bacteria)

Answer 7

• Reservoir: Genitourinary tract, rectum, mouth
• Major Infections: Gonorrhea, pelvic inflammatory disease, infectious arthritis, conjunctivitis

Question 8

What is the major reservoir and infection for Rickettsia rickettsii? (bacteria)

Answer 8

• Reservoir: Wood tick
• Major Infection: Rocky Mountain spotted fever

Question 9

What is the major reservoir and infections for Staphylococcus epidermidis? (bacteria)

Answer 9

• Reservoir: Skin
• Major Infections: Wound infection, bacteremia

Question 10

What is the major reservoir and infection for Coronavirus? (virus)

Answer 10

• Reservoir: Respiratory
• Major Infection: Pneumonia

Question 11

What is the major reservoir and infection for COVID-19? (virus)

Answer 11

• Reservoir: Respiratory
• Major Infection: Cold

Question 12

What is the major reservoir and infection for SARS? (virus)

Answer 12

• Reservoir: Respiratory
• Major Infection: Pneumonia

Question 13

What is the major reservoir and infection for Ebola virus? (virus)

Answer 13

• Reservoir: Blood and body fluids
• Major Infection: Gastrointestinal bleeding

Question 14

What is the major reservoir and infection for Hepatitis A virus? (virus)

Answer 14

• Reservoir: Feces
• Major Infection: Hepatitis A

Question 15

What is the major reservoir and infection for Hepatitis B virus? (virus)

Answer 15

• Reservoir: Blood and body fluids
• Major Infection: Hepatitis B

Question 16

What is the major reservoir and infection for Hepatitis C virus? (virus)

Answer 16

• Reservoir: Blood
• Major Infection: Hepatitis C

Question 17

What is the major reservoir and infections for Herpes simplex virus type 1? (virus)

Answer 17

• Reservoir: Lesions of mouth or skin, saliva, genitalia
• Major Infections: Cold sores, aseptic meningitis, genital herpes, herpetic whitlow

Question 18

What is the major reservoir and infection for HIV? (virus)

Answer 18

• Reservoir: Blood, semen, vaginal secretions, breast milk
• Major Infection: AIDS

Question 19

What is the major reservoir and infections for Varicella-zoster virus? (virus)

Answer 19

• Reservoir: Spreads via respiratory droplets or vesicular fluid
• Major Infections: Chicken pox, shingles, disseminated shingles

Question 20

What is the major reservoir and infections for Aspergillus? (fungi)

Answer 20

• Reservoir: Soil, dust, construction dust, decaying matter
• Major Infections: Sinusitis, skin/lung/wound/CNS infections

Question 21

What is the major reservoir and infections for Candida albicans? (fungi)

Answer 21

• Reservoir: Mouth, skin, colon, genital tract
• Major Infections: Candidiasis, pneumonia, sepsis

Question 22

What is the major reservoir and infection for Plasmodium falciparum? (fungi)

Answer 22

• Reservoir: Blood
• Major Infection: Malaria