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Why the health officials don't want you to wear N95 masks?

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Why the Government doesn't want you to wear N95 masks? The Director-General of Health Services (DGHS) in the Health Ministry, Dr Rajiv Garg, said that N95 masks with valved respirators do not prevent the virus from spreading out and are “detrimental” to the measures adopted for its containment. “It is to bring to your knowledge that the use of valved respirator N-95 masks is detrimental to the measures adopted for preventing the spread of coronavirus  as it does not prevent the virus from escaping out of the mask,” Garg wrote in the letter . Now, what does that mean? let's start this blog to understand why DGHS gave this statement in a question-answer form: What are N95 masks? What's the difference between an ordinary surgical mask and an N95 mask?  Is the N95 mask more effective than ordinary surgical masks? Are the masks recyclable? Why did DGHS suggest common citizens to avoid wearing N95 masks?  So let's start, 1. What are N95 masks? I am not a medic guy or a techni