[14] Whatever the reason, HIV-infected patients with low CD4 cell counts remain at a high risk for opportunistic diseases, including gastrointestinal infections. In summary, this study has shown ...

Nocardiosis is an opportunistic infection, meaning it doesn't typically affect healthy people but may seize the chance to infect people with weakened immune systems, such as people with cancer or ...

Pseudomonas aeruginosa is the definition of a tough bacterial ... but is described as an "opportunistic" organism, causing serious infection when our normal defences are weakened.

Whether opportunistic infections are a cause of dyspepsia is still unknown. In this study we prospectively compare the prevalence of gastrointestinal opportunistic infections in dyspeptic versus ...