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Tobacco control in developing countries

Instead we focus on helping people taking the next step to try to quit cigarette smoking and increase the chance of staying off cigarettes long-term

Thus, there is a need for some means of differentiation

(A note that youll usually see the CDC officially using the word respirator to refer to these kinds of face coverings that are highly effective against particles, and masks to refer to the types of face coverings that are less effective, like cloth masks and surgical masks more on those below.) The 95 in N95 also indicates that these respirators achieve a minimum of 95% filtration efficiency against dangerous particles, according to the CDC

[PubMed: 9350146] Ishizu Y, Kaneki K, Okada T