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Mark Benedict's blog

Fact or Fallacy? Vector control is a major part of malaria interventions.

November 18, 2013 - 09:15 -- Mark Benedict

It is often asserted that there are two malaria vector interventions in widespread use: long-lasting insecticide treated bednets (LLIN) and indoor residual insecticide spraying (IRS). Are either of these vector interventions? I’ll argue that the answer is, “No!” What does this mean for the development of new methods?

Bare-bones genetic control for mosquitoes

April 4, 2013 - 14:43 -- Mark Benedict

It’s a useful reminder to consider what one must have for successful genetic control strains for mosquitoes. While the focus is often on effectors for specific population manipulations, there are other bits “under the hood” that, like an engine, can’t really be ignored. It’s easy to forget how necessary these are when concentrating on something novel. I’ll give you my bare-bones list of basic genetic control features that sooner or later, you simply must have.

Truly Sustainable Malaria Control? Impossible Without This

January 2, 2013 - 17:08 -- Mark Benedict

There is too little appreciation in current vector-borne disease paradigms for the intervention characteristics that are appropriate for stop-gap emergencies vs. those that are vital for the end-game: elimination. Regardless of whether you think elimination of any vector-borne disease is possible, it will not be accomplished without this.

Genetic control via population replacement: where do transgenics stand?

November 30, 2012 - 16:43 -- Mark Benedict

It is said that predictions are very difficult – especially when they concern the future. No doubt Scott O’neil and his Eliminate Dengue team never would have expected to be where they are now 10 years ago. In contrast, those who dreamt of releasing malaria-refractory transgenic mosquitoes two decades ago in the Tucson desert would have been surprised too.

A deluge of genetic-control-of-mosquitoes news: recap

July 23, 2012 - 01:37 -- Mark Benedict

Seldom does so much news appear so suddenly that it grabs me by the ears and says, “You MUST write a blog. Now!” Following are the highlights of recent publications that reflect the maturing potential for genetic control to affect malaria and dengue transmission. If you’re interested in a quick summary of recent news and views, here it is.

Are transgenic mosquitoes beating old-school sterile insect technique?

June 5, 2012 - 16:42 -- Mark Benedict


A friend and colleague asked me whether all the media excitement about transgenic mosquitoes represents real accomplishments that beat non-transgenic sterile insect technique (SIT). Good question. In the first of a two-part blog, I’ll tell you where I think things stand, first in SIT. In the second part, I’ll look at population replacement.

“Truth is not enough” part II: AAAS agrees

February 18, 2012 - 18:54 -- Mark Benedict

I blogged recently that getting the facts out about genetic engineering of mosquitoes would not be enough to persuade those who are hard anti-GM activists that they can be safely developed. I also argued that becoming an activist allowed one to abandon the bothersome constraints of truth. AAAS appears to agree with me, but have they made the right call?


Do scientists want to conduct their research without oversight and public engagement?

February 1, 2012 - 13:41 -- Mark Benedict

The openness of scientists involved in the creation of genetic control methods against mosquitoes has been questioned in popular press and activist outlets. Therefore the results of a recent survey on this subject deserve attention. Do scientists want to conduct their research without oversight and public engagement?


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