Infectious disease

A febrile patient reports a tick bite and close contact with animal slaughter in an endemic area. Which viral haemorrhagic fever is specifically associated with these exposures?

A febrile traveller has lived and worked in rural conditions in an area endemic for viral haemorrhagic fever. Which infection is specifically linked to this epidemiological history?

Which treatment group is described as potentially having a more selective effect on the immune response?

What is the described balance of benefits and harms of antimicrobial treatment for travellers’ diarrhoea?

Which laboratory measurement is used together with clinical staging to decide when to start prophylaxis against opportunistic infections in people with HIV?

Following haematopoietic stem cell transplantation, which procedure is associated with a greater frequency of later infections?

Which region had an increasing trend in new HIV infection incidence in the supplied 2022 regional data?

Why may neck stiffness be less apparent in an immunocompromised patient with meningitis?

Which mode of HIV transmission is listed as dominant in Sub-Saharan Africa in the supplied 2022 regional data?

A patient with neutropenic fever remains febrile after 4 days of empirical broad-spectrum antibacterial therapy. Which additional treatment is indicated?

Which CD4 cell population is killed by HIV-specific CD8 cytotoxic T lymphocytes?

Which antibody testing result is sufficient to confirm HIV infection?

Infections occurring 1–6 months after solid organ transplantation are characteristic of impairment in which immune function?

Which organisms are the most common pathogens in neutropenic patients, particularly in association with indwelling catheters?

Below which CD4 count does severe immune suppression occur in people with HIV?

Which temperature criterion is used by most authorities to define fever in neutropenic fever?

An infant born to an HIV-positive mother requires testing for HIV infection while maternal HIV antibodies may still be present. Which test is used to diagnose infection?

A transplant recipient develops post-transplant lymphoproliferative disorder. Which virus is associated with this lymphoma?

Which clinical feature is explicitly listed in the assessment of suspected viral haemorrhagic fever?