An investigation in Michigan identified a link between five women with syphilis eye infections and one common male sex partner. While unusual, this suggests that an unidentified strain of syphilis might have been associated with an increased risk for complications affecting the eyes and central nervous system.
During the pandemic, reported congenital syphilis cases in Chicago increased an average of 74% per year, more than 3 times the increase in reported cases of syphilis in women of reproductive age (22% per year).
A study in Nigeria suggests that inactivated polio vaccines can be administered using needle-free formats in house-to-house campaigns to improve vaccination coverage.
The latest MMWR Weekly Briefing is live. Topics include: vaccination coverage among children by age 2, testing of infants and children born to pregnant people with hepatitis C, and more. Listen and subscribe on: Apple Podcasts, Spotify, and Google Play.