这个保证不了，但可以采取一些防范措施。对付 covid-19 也是一样的。怕车撞可以不出门，也可以出门严格遵守交通规则，用心走路不分心。防范 covid-19 可以不出门，也可以保持安全的 social distance ，在无法确保安全的 social distance 的环境下使用口罩。
也谈带口罩
- 主题发起人 sofia
- 发布时间 2020-03-20
如果加拿大交通部的指引是汽车可以随便上curb，我肯定不敢在外面瞎走。
100多年前，东北鼠疫面前，当时最著名的西方防疫专家也嘲笑过伍连德自制的口罩，说那个玩意没用。后来他自己感染死了，但东北人带着土制口罩隔绝了鼠疫。更何况这次是呼吸系统疫情。而且短短一个多月中国这么多地区，人口，在人口流动性远比加拿大密集频繁的情况下战胜疫情的经验已经证明了口罩真的管用！（另外一个事实是中国人包括我在内不大习惯勤洗手，中国即使疫情高发的时候也没有到处都是免洗手消毒液）
人身攻击于事无补。
人身攻击于事无补。
我看到很多华人司机一个人在自己车里戴口罩，大街上空旷的地方戴口罩的都是华人。
Lynn Bufka, a clinical psychologist and senior director for practice, research and policy at the American Psychological Association, suspects that people are clinging to masks for the same reason they knock on wood or avoid walking under ladders. “Even if experts are saying it’s really not going to make a difference, a little [part of] people’s brains is thinking, well, it’s not going to hurt. Maybe it’ll cut my risk just a little bit, so it’s worth it to wear a mask,” she says. In that sense, wearing a mask is a “superstitious behavior”: if someone wore a mask when coronavirus or another viral illness was spreading and did not get sick, they may credit the mask for keeping them safe and keep wearing it.
Seeing people around you wearing masks when you’re not can also heightenanxiety about coronavirus and make it seem like the virus is nearby and spreading, even if it’s not, Bufka says. “It could make you feel like, wait, I’m missing something? Is there some information that others have that I don’t have, whether it’s prevalence in the local community or new information about masks being valuable?” Seeing celebrities post masked selfies on social media—as Gwyneth Paltrow, Bella Hadid and others recently did—also can reinforce the idea that this is a beneficial thing to do. A more influential celebrity post, perhaps, would glorify the simple, unsexy practice of handwashing.
Seeing people around you wearing masks when you’re not can also heightenanxiety about coronavirus and make it seem like the virus is nearby and spreading, even if it’s not, Bufka says. “It could make you feel like, wait, I’m missing something? Is there some information that others have that I don’t have, whether it’s prevalence in the local community or new information about masks being valuable?” Seeing celebrities post masked selfies on social media—as Gwyneth Paltrow, Bella Hadid and others recently did—also can reinforce the idea that this is a beneficial thing to do. A more influential celebrity post, perhaps, would glorify the simple, unsexy practice of handwashing.
最后编辑: 2020-03-22
脑残不懂risk based decision making是现代科学实践最重要的一部分。
戴口罩被歧视是客观报道和我的自我观察，我自觉没有受歧视心理。我也不相信病毒能长时间活着滞留在空气中。坐了美女起身后留下的热板凳会长痔疮不是科学。
我认为中国的成功是隔离，而不是口罩。口罩的作用十分有限。只有隔离不了的环境下，口罩才开始起作用。你躲在洒水车的射程之外，永远不需要雨衣。
那是没戴口罩的时候传上的，有点逻辑行么?早几天说加拿大需要社区隔离的也被同样的质疑不停骂，现在都打脸了，看来打得还不够
对，去华人餐馆吃饭才是follow government.
中国人夸大了口罩的作用。
你听说过有华人去中餐馆就餐被感染的吗？
几个省学校都关门了。
最重要的依据是事实，并不爱勤洗手的中国人用一个多月战胜疫情就几个字，在家隔离，出门戴口罩
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