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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?

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:

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

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

A 21 year-old female attends clinic with evidence of pharyngitis. Initial treatment with penicillin V does not resolve the infection, leading her physician to believe the original diagnosis of S. pyogenes to have been incorrect. What other microbes might the physician suspect as possible causes of her illness?

Prior to the creation of a protective vaccine, which virus was responsible for the largest number of pediatric diarrheal infections?

Marco is infected with an isolate of Escherichia coli that was serotyped as O13:H9:K1. Given his serotype, what disease is he at greatest risk for developing?