國(guó)務(wù)院應(yīng)對(duì)新型冠狀病毒肺炎疫情聯(lián)防聯(lián)控機(jī)制近日印發(fā)《公眾科學(xué)戴口罩指引》。

Medical masks and surgical masks are sufficient for normal use, and wearing multiple masks does not provide more protection, according to the guideline.
指引指出，醫(yī)用口罩或醫(yī)用外科口罩可用于普通防護(hù)，佩戴多個(gè)口罩并不能增加防護(hù)效果。

指引對(duì)普通公眾（general public）、特定場(chǎng)所人員（people at specific areas）、重點(diǎn)人員（key population groups）以及職業(yè)暴露人員（people with occupational exposure）進(jìn)行分類(lèi)，并對(duì)不同場(chǎng)景下戴口罩提出科學(xué)建議。

這些情況不建議戴口罩

普通公眾在居家（stay at home）、戶(hù)外（outdoors），無(wú)人員聚集（no crowds）、通風(fēng)良好（well-ventilated）的情況下，建議不佩戴口罩。

這些情況佩戴一次性口罩

The public is advised to carry along masks when in crowded places such as offices, shopping malls, restaurants, workshops and public transport. People in high-risk areas should wear surgical masks all the time when entering such places, while those in medium-risk and low-risk areas need to wear medical masks when in contact with others at the distance of less than 1 meter.
普通公眾處于如辦公、購(gòu)物、餐廳、車(chē)間、公共交通工具等人員密集場(chǎng)所時(shí)，在中、低風(fēng)險(xiǎn)地區(qū)，應(yīng)隨身備用口罩，在與其他人近距離接觸（小于等于1米）時(shí)戴口罩。在高風(fēng)險(xiǎn)地區(qū)，戴一次性使用醫(yī)用口罩。

Those who have cold symptoms such as coughing or sneezing, or who live with personnel in quarantine or that have recovered from the novel coronavirus and been discharged from the hospital, are suggested to wear disposable medical or surgical masks.
對(duì)于咳嗽或打噴嚏等感冒癥狀者，建議戴一次性使用醫(yī)用口罩或醫(yī)用外科口罩。對(duì)于與居家隔離、出院康復(fù)人員共同生活的人員，建議戴一次性使用醫(yī)用口罩或醫(yī)用外科口罩。

這些情況建議佩戴防護(hù)口罩

People working in places such as hospitals, train terminals, airports, prisons and nursing homes need to wear surgical masks or respirators of grade KN95/N95 or above.
醫(yī)院、火車(chē)站、機(jī)場(chǎng)、監(jiān)獄、養(yǎng)老院等人員密集場(chǎng)所工作人員，建議戴醫(yī)用外科口罩或符合KN95/N95及以上級(jí)別的防護(hù)口罩。

The suspected cases, confirmed cases of novel coronavirus, asymptomatic cases and those who have close contact with confirmed cases are recommended to wear surgical masks or respirators with no breathing valve graded at KN95/N95 or above. Entry personnel need to wear such masks from the moment they enter the country to the end of their required quarantine.
新型冠狀病毒肺炎疑似病例、確診病例和無(wú)癥狀感染者；新型冠狀病毒肺炎密切接觸者；入境人員(從入境開(kāi)始到隔離結(jié)束)，戴醫(yī)用外科口罩或無(wú)呼氣閥符合KN95/N95及以上級(jí)別的防護(hù)口罩。

職業(yè)暴露人員根據(jù)工作內(nèi)容及地點(diǎn)不同，佩戴醫(yī)用外科口罩、醫(yī)用防護(hù)口罩或送風(fēng)過(guò)濾式呼吸防護(hù)器。

【相關(guān)詞匯】

帶呼吸閥的防護(hù)口罩 valved respirator

一次性口罩 disposable mask

防護(hù)物資 protective materials

護(hù)目鏡 protective eyewear

參考來(lái)源：新華網(wǎng)

（中國(guó)日?qǐng)?bào)網(wǎng)英語(yǔ)點(diǎn)津 Helen）