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Online Discussion: Tracking new emerging diseases and the next pandemic; Now tracking the Aussie Flu.

MASKS

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jazzy View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote jazzy Quote  Post ReplyReply Direct Link To This Post Posted: December 29 2006 at 1:34pm
i found some good prices for N100 3M masks.  i have been seeing them for up to $10.95 each, but i found the same thing on www.library-dust.com for only $5.95 and a box of 20 for $113.

thats the best price ive ever seen.
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Courage is Fear that has said its prayers

Jazzy Acre Herbals
http://jazzyherbals.xeir.com/
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Cockney Quote  Post ReplyReply Direct Link To This Post Posted: January 22 2007 at 2:47pm
Hello there all, It's nice to know im not the only one taking this thing serious as everyone i know thinks im mad !
Im in the uK and I was wondering if anyone on here had any information regarding the cheapest places to buy masks from, every site i seem to visit is laden with BF ads and i can't help but feel i will be paying over the top for them, does anyone have any pointers ?

Thank you.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Guests Quote  Post ReplyReply Direct Link To This Post Posted: January 22 2007 at 3:47pm
Hi cockney, welcome to the forum. There's lots of good info here.  I am in the US and have bought masks a couple of times from planforflu.com.  Prices for the Moldex N95 masks run $28.95 for ten and $250.00 for a case of 100.  Orders over $30.00 have free shipping.  Hope this helps.
Dixie
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Cockney Quote  Post ReplyReply Direct Link To This Post Posted: January 24 2007 at 1:10pm
Hi,
Thanks a lot for that i will check them out, it's always good to get recomendations before buying !
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Post Options Post Options   Thanks (0) Thanks(0)   Quote 12530go Quote  Post ReplyReply Direct Link To This Post Posted: January 25 2007 at 3:07am
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Post Options Post Options   Thanks (0) Thanks(0)   Quote 12530go Quote  Post ReplyReply Direct Link To This Post Posted: January 25 2007 at 3:22am
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Guests Quote  Post ReplyReply Direct Link To This Post Posted: January 29 2007 at 12:26pm
Cheapest place for masks in the UK is www.toolstation.com Next Day delivery to UK is free for orders over £40.  The valved ones are a little more expensive but will be more comfortable to wear.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Guests Quote  Post ReplyReply Direct Link To This Post Posted: March 02 2007 at 12:00am
http://www.xodigo.com/h5n1/facemask.htm
 
Found this really easy to read and understand  top web site ....
 
Stockpiling of FFP masks is only possible to a certain extent because of their limited shelf-life of 3 years (see above). Surgical masks do not have a limited shelf-life. Although many federal governments will stockpile a certain number of masks, Healthy members of the general population will be expected to obtain their own surgical masks

Family Planning:

FACE MASKS

FFP3 Face mask Face masks come in various types based on efficiency. Following are general facts about face masks, types of masks, classifications, recommendations, about face masks and the influenza virus, stockpiling information and the sources.

 

Here are some key issues about face masks followed by more technical information.

The spread of viruses can be restricted by using face masks as the SARS experience proved. There are several types of faces masks on the market but the shelf-life of masks and or filters is limited. There are three categories of effectiveness which are listed below. Please note:

  • The face mask must fit well: the nose clip, head tapes or elastic and edges must seal.
  • Beards hamper effectiveness: particle-filtering half-masks are impaired by beards. People with beards are recommended to remove them.
  • Particle-filtering face masks should not generally be worn for longer than 8 hours in total. Surgical masks should not generally be worn for longer than 2 to 3 hours in total.
  • Other masks, if used carefully (avoiding contamination of the inner surface when removing the mask), can be worn several times by the same person.
  • The face mask must be changed in the following situations:
    − If a particle-filtering mask has been worn for 8 hours in total (2 to 3 hours for surgical masks)
    − If the face mask has come into direct contact with secretions containing pathogens (the virus)
    − If the face mask has visible defects
    − If breathing resistance is increased due to moisture
  • Face masks must be kept in a clean place protected from dust and moisture.
  • You must have a plan to properly dispose of used or contaminated masks otherwise they become a health risk in themselves.
  • The manufacturers of face masks can be contacted for information on their shelf-life.
  • It has not been demonstrated unequivocally that face masks protect against infections in general since no well-founded efficacy tests have been carried out with live or inactivated germs. However, experience with SARS suggests that the spread of viruses can be restricted by face masks.
  • There is the question of the psychological value of masks for the population during a pandemic.

Types of Masks

There are several types of face masks available which offer various levels of protection. The simplest way of protecting against droplet-borne germs is to use surgical masks. These can reduce the spread of germs in the exhaled air of sick people. The type of mask attached to the wearer’s head by an elastic head band is recommended since it is easy to use and stays in place well. Only surgical masks (or those with an elastic band) of type II, or, if possible type IIR (the letter R indicates greater splash resistance) which comply with national standards are recommended. Surgical masks become soaked with moisture after about 2 to 3 hours, which causes them to lose their efficacy.

Classifications

In the USA, N-95 and N-99 filter masks offer a greater degree of protection. The European standard is EN149. Masks come in three classes, FFP1, FFP2 and FFP3.
The filter classification is based on the protection conferred against particles (max. 0.6 μm). The filtration efficiency is at least 95% for FFP2 masks and at least 99% for FFP3 masks. The filtration effect of the masks is achieved by electrostatically charged fibers, the efficiency of which decreases with age and at an ambient humidity level over 80%. FFP masks are soaked through after about 8 hours.

Recommendations

During the SARS epidemic there was some evidence that FFP masks and surgical masks may have been of benefit. The WHO (World Health Organization) does not state that wearing face masks in public is an effective way of protecting the population against infection and thus preventing the spread of the pandemic; however, the organization leaves it to each country to decide whether or not to take this approach.

The Influenza Virus

The influenza virus is transmitted primarily by droplets. It may also spread by hand-to-face contact if a non-infected person touches a person or surface contaminated with infected droplets. It is not certain whether the virus can be spread in the air. Since the potential pandemic virus and its mode of transmission are not yet known, the possibility that it can spread in the air (aerosol-borne) cannot be excluded. The reader’s attention is drawn explicitly to the fact these recommendations are based only on the preliminary findings currently available. Further research is required to provide evidence-based support for the recommendations. The recommendations issued by the WHO and national health organization will be adapted to reflect as accurately as possible current knowledge of the virus’s mode of transmission.

Masks should have a bacterial filtration efficiency (BFE) of ≥ 92%, breathing resistance < 5.0 mm water/cm2 and splash resistance ≥ 120 mm Hg. (Total leakage from the masks is generally around the same as FFP1 masks.)

Stockpiling Face Masks

Stockpiling of FFP masks is only possible to a certain extent because of their limited shelf-life of 3 years (see above). Surgical masks do not have a limited shelf-life. Although many federal governments will stockpile a certain number of masks, Healthy members of the general population will be expected to obtain their own surgical masks.

References

  • U.S. Department of Health and Human Services. HHS Pandemic Influenza Plan. 2005; 233.
  • World Health Organization. WHO global influenza preparedness plan. 2005; 42f.
  • BVet. Empfehlungen zum Schutz des zur Bekämpfung der klassischen Geflügelpest eingesetzten Personals. 2005.
  • Deutsches Institut für Normung e.V., Berlin, «Operationsmasken – Anforderungen und Prüfverfahren», Deutsche Fassung prEN 14683. 2003; 1-15.
  • Lange JH. Use of disposable face masks for public health protection against SARS. J Epidemiol Comm Health 2004; 85: 434.

Poll results: Our Quick Poll for January 07 asked "Would you were a face mask?" (in the event of an outbreak)
Yes: 82.4 %
No: 11.8%
Unsure: 5.9%
These percentages were from some 1900 votes from various countries.

Next: » Pandemics, history and current facts

Related Articles:
» Family Planning Practical steps (part 1)
» Family Planning Practical steps (part 2)
» Social Distancing and How the National Plan Will Effect You
» Case Study: How our community reacted to H5N1 when it came.
» Specific advise for your children.
» Face masks, which ones work and when to change them, details

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Post Options Post Options   Thanks (0) Thanks(0)   Quote Guests Quote  Post ReplyReply Direct Link To This Post Posted: June 06 2007 at 3:03pm
I do not understand how a mask could go off beyonds its use by date.  If it gets damp then maybe but if stored in a cool dark place in its original airtight wrapping.  I note that my FFP2 stash has a 5yr "best before" date but does anyone know why???
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Post Options Post Options   Thanks (0) Thanks(0)   Quote web ferret Quote  Post ReplyReply Direct Link To This Post Posted: February 01 2008 at 12:29pm
Just "bumping" this to see if anyone knows an answer to my mask expiry date question.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote web ferret Quote  Post ReplyReply Direct Link To This Post Posted: February 01 2008 at 12:31pm
Originally posted by wrote:

I do not understand how a mask could go off beyonds its use by date.  If it gets damp then maybe but if stored in a cool dark place in its original airtight wrapping.  I note that my FFP2 stash has a 5yr "best before" date but does anyone know why???


Just "bumping" this to see if anyone knows the answer to this.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote RICHARD-FL Quote  Post ReplyReply Direct Link To This Post Posted: May 18 2008 at 6:28pm
Do not use bleach water on clothing and skin.  You want to use the same thing the military uses.  Plain old Lysol is the best there is for decontamination.  Their special chemical and bio warfare people use it in a hand spray that is used on gloves, gas-masks, and clothing during decontamination.  It is mixed with water at a 50% solution.
 
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Post Options Post Options   Thanks (0) Thanks(0)   Quote RICHARD-FL Quote  Post ReplyReply Direct Link To This Post Posted: May 22 2008 at 4:39pm
I noticed today that the FDA has approved too mask for wearing during a pandemic.  Both are 3M products No. 8612 and 8670.  That all the information that was posted.
 
Has any one thought about a reusable or homemade mask?  If the news travels fast the current supply of mask will not last long and you could be with out any available.  It would be nice to see a mask that will work to the N-95 level but is home made.
 
Another question is what about military gas masks and commercial masks are they usable?
 
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Guests Quote  Post ReplyReply Direct Link To This Post Posted: May 22 2008 at 9:54pm
Originally posted by web ferret web ferret wrote:

Originally posted by wrote:

I do not understand how a mask could go off beyonds its use by date.  If it gets damp then maybe but if stored in a cool dark place in its original airtight wrapping.  I note that my FFP2 stash has a 5yr "best before" date but does anyone know why???


Just "bumping" this to see if anyone knows the answer to this.
 
I don't know Web Ferret. Perhaps the materials, stitching, glues break down after a period of time. Even elastic will deteriorate in that amount of time.  Annie
 
[Disposable P2 Valved Respirator EN149:2001 FFP2Comfortable valved respirator protects against fine non toxic and low to average toxicity dusts, fibres, solid and liquid aerosols. Exhalation valve reduces the build up of heat and moisture inside the mask and helps improve wearer acceptance. Contoured fit, lightweight, low breathing resistance. Latest standard EN149:2001 FFP2. Supplied in box's of 10 masks.

Single use respirators for use against solid and liquid aerosols are classified according to one of 3 categories:

FFP1: Protection against non-toxic solid and liquid aerosols up to 4.5 x O.E.L. (Occupational Exposure Limit), or 4 x APF (Assigned Protection Factor).
FFP2: Protection against non-toxic and low-to-average toxicity solid and liquid aerosols in concentrations up to 12 x O.E.L., or 10 x APF.
FFP3: Protection against non-toxic, low-to-average toxicity and high toxicity a solid and liquid aerosols (e.g. oil mists) in concentrations up to 50 x O.E.L., or 20 x APF.


You should conduct a risk assessment to decide on the level of protection required, and this is dependant on the contaminant concentration.

PriceDisposable%20P2%20Valved%20Respirator%20EN149:2001%20FFP2
Size
Valved FFP2 - Box of 10 masks £8.49
Valved FFP2 - Case of 120 masks £84.59
*prices include VAT
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Home Made reuseable Mask Protection


 
Figure.
 
 

Figure. Prototype mask. A) Side view, B) Face side.

This mask consisted of 1 outer layer (≈37 cm × 72 cm) rolled and cut as in panel B with 8 inner layers (<18 cm2) placed inside (against the face).
The nose slit was first placed over the bridge of the nose, and the roll was tied below the back of the neck.
The area around the nose was adjusted to eliminate any leakage.
If the seal was not tight, it was adjusted by adding extra material under the roll between the cheek and nose or by pushing the rolled fabric above or below the cheekbone.
Tie b was tied over the head.
A cloth extension was added if tie b was too short.
Finally, tie c was tied behind the head.
The mask was then fit tested.

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Post Options Post Options   Thanks (0) Thanks(0)   Quote RICHARD-FL Quote  Post ReplyReply Direct Link To This Post Posted: May 30 2008 at 5:53pm
I have some questions about masks:
 
What about surplus military gas masks? 
If you get the current NATO filters with a foreign gas mask will that protect you? 
How long would the filter last?
 
what about full face or 1/2 face respirators from the industrial side?
What filters to buy?
How long will the filters last?
 
 
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Post Options Post Options   Thanks (0) Thanks(0)   Quote jacksdad Quote  Post ReplyReply Direct Link To This Post Posted: June 01 2008 at 11:46am
If you get a full or half face respirator you might as well get N100 filter cartridges. You can get them just about anywhere for name brand masks - I've seen them on the shelves at Home Depot. I have a full face 3M respirator which I can use if I think I need complete protection. It looks like something out of "Outbreak", but nothing reaches you. The number of hours they can be used is usually printed on the box somewhere. I seem to remember seeing 40 hours on the ones I bought. Mine are N100/acid gas cartridges so it may be different for straight N100 filters. Bought mine a while back so I could watch top fuel dragsters start up in the pits from a few feet away - I don't even smell the nitro when I'm wearing it, so I know viruses aren't getting past it  Smile
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Post Options Post Options   Thanks (0) Thanks(0)   Quote SusanT Quote  Post ReplyReply Direct Link To This Post Posted: June 05 2008 at 8:25am
Does anyone know where to get young childrens' masks?
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Post Options Post Options   Thanks (0) Thanks(0)   Quote H2HPrep Quote  Post ReplyReply Direct Link To This Post Posted: June 05 2008 at 11:14am
Kimberly Clark makes a childs mask. It isn't N-100 but it's better than nothing.
 
Just a reminder, respiratory protection is only part of the
personal protective equipment to avoid exposure.
Avoidance is the best plan to prevent infection of human avian influenza.
 
 
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