Micro StuffZ

Question 1

Rhinovirus

Answer 1

TYPE: Picorna, ssRNA(+), naked

Disease: Nasopharyngitis, Pharyngitis

Transmission & Season: Air droplets, Spring & Fall

Pathogenesis: ICAM(90%), LDL (10%)

Prevention: Self limiting

Question 2

Adenovirus

Answer 2

TYPE: Adeno, dsDNA, naked

DISEASE: Nasopharyngitis, URI, Pharyngoconjunctival Fever, Gastroenteritis

TRANSMISSION & SEASON: Air Droplets & All year

PATHOGENESIS:Fiber Protein, Penton Base ( toxic gene)

SIGNS: Conjunctivitis, diarrhea
*able to agglutinate Rbc

PREVENTION: Type 4 & 7 vaccine for Military

Question 3

Cornavirus

Answer 3

TYPE:Corna, ssRNA(+), Enveloped

DISEASE:Nasopharyngitis,

TRANSMISSION & SEASON: Air Droplets & Winter

PATHOGENESIS: E2(attachment), L(polymerase)

SIGNS:

PREVENTION:Self limiting

Question 4

SARS

Answer 4

TYPE:Corona, ssRNA(+), Enveloped

DISEASE: Respiratory

TRANSMISSION & SEASON: Reservoir: Bats, Host: Civet cats, Airborne

PATHOGENESIS: Pneumo/ARDS

SIGNS: Travel to Asia

PREVENTION: High Mortality

Question 5

MERS

Answer 5

TYPE:Corona, ssRNA(+), Enveloped

DISEASE: Respiratory

TRANSMISSION & SEASON: Host: Dromedary Camel

PATHOGENESIS: Pneumo/ARDS

SIGNS: Travel to Arabian Peninsula

PREVENTION: High Mortality

Question 6

EV-D68, Enterovirus

Answer 6

TYPE:Picorna, ssRNA(+), Naked

DISEASE: Mild-Serve Resp Illness

TRANSMISSION & SEASON: Secretions & Summer and Fall

PATHOGENESIS: Flaccid Paralysis

SIGNS:

PREVENTION: Greater in Asthmatics

Question 7

Strep. Pyogenes

Answer 7

TYPE: Gram +, cocci, GAS

DISEASE: Pharyngitis, Scarlet Fever, Rheumatic Fever, Acute Glomerulonephritis

TRANSMISSION & SEASON: Droplets

PATHOGENESIS: Leukocidin(kills WBCs), avoid Phagocytosis, Streptokinase( toxin)

SIGNS: Strawberry tongue, Type II, III HSR

• B-hemolytic (complete lysisi)
• Bacitracin +
• ASO and Anti-DNASE Titer

PREVENTION: Penicillin