An HbsAg positive mother gives birth to a live baby girl via NSVD with no notable complications. To ensure that the baby is protected from hepatitis B, immunization is given within 12 hours of birth. What is the mechanism of immunity that results from this intervention?
An 8-year-old child presents with irritability, fever, and neck rigidity. CSF samples were taken. There was no noted growth on blood agar, but in a repeat blood agar culture, colonies of S. aureus were observed in areas of hemolysis. Which microorganism is characteristic of this growth pattern?
What is the drug of choice for a patient diagnosed with meningococcal meningitis?
A 10-year-old child presents with anemia, acute renal failure, and thrombocytopenia. If this condition results from an infectious cause that is toxin-mediated, most likely due to consumption of undercooked beef, in what way does the toxin bring about the patient’s manifestations?
Genetic reassortment plays a major role in the generation of epidemiologically significant strains of influenza virus. Similar to the influenza virus, is genetic reassortment also possible in which of the following viruses?
Which of the following helminthic infections will not show eosinophilia?
Which of the following drugs is considered the drug of choice for a 50-year-old woman from Mindoro with a history of long-standing swelling of the legs, genital, and breasts?
A 33-year-old female sex worker presents to your clinic with complaints of solitary lesions in the perineal area. These lesions are described as nodular and rubbery, with occasional ulcerations. Further physical examination reveals ataxia, diminished vibratory sensation, and a pupil that does not react to light but responds to accommodation. What do the perineal lesions described refer to?
Which alternative antibiotic is good for treating pneumococcal pneumonia in individuals allergic to penicillin, while also providing coverage for atypical organisms?
What is the substance secreted by group A beta hemolytic streptococci that is a super antigen associated with toxic shock syndrome?