Cover note  The blackfly, Simulium damnosum, the vector of Onchocerca
volvulus, the parasite which causes onchocerciasis (river blindness)  

WHO/TDR

[Table of Contents]

• Last 7 days
• Past weeks
• Current print issue
• Rapid responses

• Blogs
• Podcasts

• Latest from BMJ
• BMJ simple search
• Follow BMJ on twitter
• Watch on YouTube

• Submit an article
• Subscribe/Activate
• Request permissions

• Readers
• Authors
• Reviewers
• Media
• BMA members
• Advertising and sponsors
• Subscribers

• Current issue contents
• Current cover image
• Past issues
• Subscribe