2001 press release from NIAID, mosquito genome sequencing project: “DDT was once a powerful tool”

Caption from Vanderbilt University: Figure 1. Anopheles freeborni mosquito taking a blood meal. Image reproduced from the Centers for Disease Control http://www.cdc.gov/malaria/about/biology/mosquitoes/, CDC, public domain.

Caption from Vanderbilt University: Figure 1. Anopheles freeborni mosquito taking a blood meal. Image reproduced from the Centers for Disease Control http://www.cdc.gov/malaria/about/biology/mosquitoes/, CDC, public domain.

Press release from the NIH National Institute of Allergy and Infectious Diseases (NIAID):

Anopheles gambiae Genome Sequencing Project

March 5, 2001


Statement of Anthony S. Fauci, M.D.
Director, National Institute of Allergy and Infectious Diseases

Today, a global network of researchers announced that they are collaborating in sequencing the genome of Anopheles gambiae, the mosquito responsible for most cases of malaria in Africa. The National Institute of Allergy and Infectious Diseases (NIAID) applauds the efforts of the network and their goal of obtaining sequence data by the end of the year.

This information, together with the knowledge gained from the sequences of malaria parasites and the human genome, will provide researchers with a wealth of genomic data necessary for understanding this complex disease. (See the communiqueExternal Web Site Policy.)

The need for a multifaceted commitment to fight malaria and develop new and improved treatments, diagnostics and vaccines has never been greater. According to the World Health Organization, an estimated 300 to 500 million cases of malaria occur annually; in 1999, an estimated 1.1 million deaths were attributed to malaria, most of which occurred in children under the age of 5. Malaria is a public health threat in more than 90 countries, where 40 percent of the world’s population lives. Because of the enormity of this problem, NIAID has made malaria research a central focus of our scientific portfolio and supports a comprehensive research program, which includes basic, field-based and clinical research.

Malaria is caused by a single-celled parasite that is spread to humans by mosquitoes. The control of malaria continues to be a challenge because of the dual problems of increased rates of insecticide resistance in mosquitoes and increased rates of drug resistance in the malaria parasites. Reducing disease transmission by mosquito control has been a mainstay of regional and global malaria control programs. The insecticide DDT was once a powerful tool in global efforts to eradicate malaria. With the development of DDT-resistant mosquitoes, new tools are needed to control this disease. An improved understanding of the basic biology of mosquitoes and their genomes will contribute to our ability to understand and monitor insecticide resistance, develop new insecticides, and ultimately help control the malaria pandemic.

NIAID conducts and supports research—at NIH, throughout the United States, and worldwide—to study the causes of infectious and immune-mediated diseases, and to develop better means of preventing, diagnosing and treating these illnesses. News releases, fact sheets and other NIAID-related materials are available on the NIAID Web site at www.niaid.nih.gov.

About the National Institutes of Health (NIH): NIH, the nation’s medical research agency, includes 27 Institutes and Centers and is a component of the U.S. Department of Health and Human Services. NIH is the primary federal agency conducting and supporting basic, clinical, and translational medical research, and is investigating the causes, treatments, and cures for both common and rare diseases. For more information about NIH and its programs, visit www.nih.gov.

NIH…Turning Discovery Into Health ®

Some points to ponder, 13 years later:

  1. Dr. Fauci notes that DDT was, at one time, a powerful tool to fight malaria — but no longer.  DDT resistant mosquitoes means new tools must be found to replace DDT.
  2. Fauci makes no mention of a shortage of DDT for any reason.  It appears from the press release that DDT’s widespread use is compromised only by its decreasing effectiveness, not by any ban from any governmental entity.
  3. In 1999, 15 years ago now, about 1.1 million people died from malaria annually; estimates cited here are that 300 million to 500 million people actually got a bout of malaria through the year.  This compares with 2012 figures of fewer than 700,000 dead, and fewer than 250 million infections.
  4. Fauci said that, if malaria is to be defeated, it must be attacked on multiple fronts.  Spraying insects alone is not enough, increasing medical care alone is not enough — no single action provides a panacea.


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