Johns Hopkins Guides provide diagnosis, management, and treatment guidance for infectious diseases, diabetes, and psychiatric conditions. Explore these free sample topics:
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- Staphylococcus spp., most frequently Staphylococcus aureus in acute suppurative parotitis and sialoadenitis, viridans streptococci, and mixed oral flora.
- Streptococcus pneumoniae, given increased risk of pneumococcal disease in people with HIV infection. 
- HIV, Epstein-Barr virus, mumps, cytomegalovirus, influenza, coxsackievirus.