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Coronavirus prevention: How many times you can reuse your N95 mask and the health risk of using it beyond its expiry

TIMESOFINDIA.COM | Last updated on - Feb 9, 2022, 16:00 IST
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1/5

When is the right time to replace your mask

The cases of the Omicron variant have indeed decreased this week, but the coronavirus pandemic is far from over. So, making any careless mistake at this time will only put you at risk of infection. Keeping this in mind, it is essential to put on your mask every time you step out of your house. It is one of the basic steps you can take to prevent the spreading of the virus. Wearing the mask correctly can cut down the risk of getting infected by 90 per cent, experts say. While there are different kinds of masks available in the market N95 is said to be the best of the lot.

2/5

Why are N95 the best?

Research indicates that N95 masks are far better in protecting you from COVID than cloth masks and surgical masks. It is because the respirators can trap at least 95 per cent of particles in the air and prevent them from reaching your lungs. It provides much more protection than any other type of mask. The best part is that it is reusable and cost-efficient. But even if you buy the costliest mask available in the market, it wears out over time and you have to throw it away. We will tell you how long you can use your N95 mask.

Read more: High Cholesterol signs: These signs in eyes can tell if you have hypercholesterolaemia

3/5

​How long can I wear my N95 mask?

N95 masks are more expensive than the normal surgical mask. So, certainly, you cannot throw it after every use. You can wash it and reuse it again, but only for a limited period. How long you can use an N95 mask depends on several factors like the manufacturer specifications and how long you wear your mask in a day. The major thing to look for in an N95 mask is the seal. After several usages and washes, the seal breaks off or comes out of the mask. Once the seal is out there is no point wearing the mask as the air can pass in and out easily without filtering anything. It cannot protect the dust and virus from reaching your lungs and the entire motive of wearing a mask will be futile. Other signs based on which you should stop wearing the mask can be loose-fitting of the straps and if the mask fails to cover your face completely. In some cases, the mask does not wear out, but the seal is clogged after wearing it for a long time. You may find it difficult to breathe properly. It is also an indication that you must change your mask.

4/5

​What does the study suggest?

As per a study, you can easily wear an N95 mask for 25 times. In some cases, you can even wear it longer, if it is in the right condition and can cover your face properly. Filters of some masks can even be replaced but it is better to get a new one to stay safe.

5/5

​How should you decontaminate your N95 mask?

To decontaminate your N95 mask you can wash it and keep it in a dark and dry place between uses. Keeping the respirator in the sunlight can break down filter particles. Apart from that, it is also recommended to have several masks and use one mask on consecutive days.

Top Comment
A
Ashutosh Shirodkar
1570 days ago
Your article is factually incorrect &amp; potentially misleading. Please see my inputs correcting your representation, as below<br/>Can N95 Respirators be washed?<br/>No. Under no circumstances should an attempt be made to clean or wash a N95 Respirators filtering facepiece (particulate) respirator.<br/>Can N95 Respirators filtering facepiece respirators be re-used?<br/>N95 Respirators filtering facepiece (particulate) respirators are disposable, but not single use, so they can be used many times. If you suspect your FFR is contaminated with bioaerosols, care should be taken when handling the respirator. During use, particles containing viruses, bacteria, etc. get captured on the filter fibers and remain on the fibers. Therefore, after use, handling or storing the respirator might result in further spreading the disease.<br/>Is there a time limitation for wearing an N95 Respirators filtering facepiece (particulate) respirator ?<br/>There is no time limit to wearing an N95 Respirators filtering facepiece (particulate) respirator. Respirators can be worn until they are dirty, damaged or difficult to breathe through. To be effective, a respirator needs to be worn correctly and worn throughout the duration of the hazardous exposure. People using a respirator will need to go to an area with safe air to remove the respirator for any reason, including to eat and drink. Again, however, users should follow guidance from health authorities, which typically stresses the importance of avoiding prolonged exposure to hazardous air, such as by remaining indoors in clean environments when it is possible to do so.<br/>Can filtering facepiece respirators be decontaminated?<br/>It is not recommended to decontaminate N95 Respirators filtering facepiece (particulate) respirator as these are designed to be discarded at the end of their useful life. Decontaminating N95 Respirators filtering facepiece (particulate) respirator may void the regulatory approval. The U.S. Centers for Disease Control and Prevention (CDC) has issued Strategies for Optimizing the Supply of N95 Respirators. In this document the CDC recommends conventional capacity strategies, contingency capacity strategies (during expected shortages) and crisis strategies (during known shortages). These strategies are meant to be considered and implemented sequentially. The US CDC no longer suggests decontamination as a recommended crisis strategy stating, &ldquo;Decontamination or bioburden reduction to NIOSH-approved N95 respirators is no longer a strategy to conserve supplies as the availability to NIOSH-approved respirators has significantly increased.&rdquo; CDC recommends that healthcare facilities promptly resume conventional practices once FFR availability returns to normal.
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