Syphilis

Syphilis is a sexually transmitted infection caused by the bacterium Treponema pallidum subspecies pallidum. The signs and symptoms of syphilis vary depending in which of the four stages it... Wikipedia

• Specialty:  Infectious disease
• Symptoms:  Firm, painless, non-itchy skin ulcer
• Causes:  Treponema pallidum usually spread by sex
• Diagnostic method:  Blood tests, dark field microscopy of infected fluid
• Differential diagnosis:  Many other diseases
• Prevention:  Condoms, Long-term monogamous relationships
• Treatment:  Antibiotics
• Frequency:  45.4 million / 0.6% (2015)
• Deaths:  107,000 (2015)
• Data source:  DuckDuckGo