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A two year-old boy develops blisters around his mouth, hands, and feet before suffering a flaccid paralysis and meningitis. He is most likely suffering from

Bronchiolitis is commonly the result of:

Why does influenza virus not cause gastrointestinal infections?

What further disease(s) is/are a/n HSV-1 patient at risk of developing?

A patient attends clinic exhibiting nuchal rigidity, headache, and nausea. Your medical team orders a microscopic investigation of the cerebrospinal fluid removed from the meningeal space. The lab reports the presence of bacteria.  You suspect the causative agent is?

Which form of anthrax is most likely to be fatal?

The six year-old sister of a Diptheria patient has her throat swabbed and cultured as a precautionary measure. Her cultures reveal the presence of a Gram-positive, club-shapped bacillus that possesses cytoplasmic granules that exhibit metachromatic staining. What is the MOST PLAUSIBLE reason the sister does not suffer from Diptheria but her brother does?

BONUS: Loss of CD4+ TH cells results in the loss of all of the following components of the adaptive immune response EXCEPT?

An immunocompromised patient attends hospital showing evidence of a lung infection. Chest X-rays show no fluid but do indicate the presence of granulomas. Follow-up PPD and interferon-γ tests are negative.  Further tests reveal disseminated infections including meningitis and osteomyelitis (bone infections). The causative agent is most likely:

Disease causing isolates of the genus Clostridia possessing the exotoxin B gene are likely to possess the _______ gene.