Agriculture
September 10, 2018
Product Description
PermaNet 2.0: A long-lasting insecticidal net (LLIN) composed of knitted poly-filament polyester fibers and infused with deltamethrin to knockdown and kill mosquitos that come in contact with it.
Distributors / Implementing Organizations
Vestergaard Frandsen works with local partners in country to deliver products to end users.
Manufacturing/Building Method
Intellectural Property Type
Patent Protected
User Provision Model
Vestergaard Frandsen has developed a distribution network across Africa with the help of local partners that helps deliver the product through direct sales.
Distributions to Date Status
Millions are distributed each year.
Bursting Strength (kPa)
> 250
Denier
75-100
Expected lifespan (months, washes)
30, unknown
Insecticide content (g/kg)
1.4 – 1.8 + 25%
Insecticide(s) used
Deltamethrin
Mesh (holes/cm^2)
24
Protection from insect entry (yes/no)
Yes.
Retreatment required? (frequency)
No.
Design Specifications
The net is made from knitted poly-filament polyester fibers.
Technical Support
After a certain period of use, Vestergaard Frandsen Hanoi laboratories offers testing to ensure proper functionality of the nets.
Replacement Components
Holes can be patched with local materials, although the insecticide will no longer be present on that spot.
Lifecycle
Lifetime largely depends on usage.
Manufacturer Specified Performance Parameters
- Less than 5% shrinkage/expansion in both dimensions
- Rapidly regains insecticidal efficacy after washing
Vetted Performance Status
Report of the Twelfth WHOPES Working Group Meeting: More than 90% of nets tested at each time-point met the WHOPES criteria for the cone test, except for nets collected at 24 months post-distribution, when only 71% of nets met the WHOPES criteria for the cone test.
- 1.4 g/kg deltamethrin concentration for 100-denier net
- 1.8 g/kg deltamethrin concentration for 75-denier net
- 41.5% retention of deltamethrin concentration after 36 months
Safety
Unknown
Complementary Technical Systems
None
Academic Research and References
Wills, A.B., et al., Physical durability of PermaNet 2.0 long-lasting insecticidal nets over three to 32 months of use in Ethiopia. Malaria Journal. 2013 Jul 15;12(242):1-13.
Koudou, B.G., Koffi, A.A., Malone, D., Hemingway, J., Efficacy of PermaNet 2.0 and PermaNet 3.0 against insecticide-resistant Anopheles gambiae in experimental huts in Cote d’Ivoire. Malaris Journal. 2011;10(172):1-10.
Sreehari, U., et al., Efficacy of PermaNet 2.0 against Anopheles culicifacies, and Anopheles stephensi, malaria vectors in India. Journal of the American Mosquito Control Association. 2007;23(2):220-223.
Picado, A., Residual activity and integrity of PermaNet® 2.0 after 24 months of household use in a community randomised trial of long lasting insecticidal nets against visceral leishmaniasis in India and Nepal. Transactions of the Royal Society of Tropical Medicine and Hygiene. 2012 Mar;106(3):150-159.
Prakash, A., et al., Evaluation of PermaNet 2.0 mosquito bednets against mosquitoes, including Anopheles minimus s.l., in India. The Southeast Asian Journal of Tropical Medicine and Public Health. 2009 May;40(3):449-457.
Compliance with regulations
One published study on Phase III evaluation of the nets as per WHOPES standards. PermaNet®2.0 satisfies the WHO specification 333/LN
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