{"id":3294,"date":"2022-09-30T15:38:39","date_gmt":"2022-09-30T14:38:39","guid":{"rendered":"https:\/\/sites.manchester.ac.uk\/covid19-national-project\/?p=3294"},"modified":"2022-09-30T15:38:39","modified_gmt":"2022-09-30T14:38:39","slug":"how-effective-are-face-coverings-at-protecting-other-people","status":"publish","type":"post","link":"https:\/\/sites.manchester.ac.uk\/covid19-national-project\/2022\/09\/30\/how-effective-are-face-coverings-at-protecting-other-people\/","title":{"rendered":"How effective are face coverings at protecting other people?"},"content":{"rendered":"<p>[et_pb_section bb_built=&#8221;1&#8243; admin_label=&#8221;section&#8221; fullwidth=&#8221;on&#8221; next_background_color=&#8221;#000000&#8243; global_module=&#8221;322&#8243;][et_pb_fullwidth_menu global_parent=&#8221;322&#8243; _builder_version=&#8221;3.0.106&#8243; menu_id=&#8221;7&#8243; submenu_direction=&#8221;downwards&#8221; fullwidth_menu=&#8221;off&#8221; background_layout=&#8221;dark&#8221; module_class=&#8221;main-navigation&#8221; \/][\/et_pb_section][et_pb_section bb_built=&#8221;1&#8243; fullwidth=&#8221;off&#8221; specialty=&#8221;on&#8221; prev_background_color=&#8221;#000000&#8243; next_background_color=&#8221;#1d1d1d&#8221;][et_pb_column type=&#8221;2_3&#8243; specialty_columns=&#8221;2&#8243;][et_pb_row_inner locked=&#8221;off&#8221;][et_pb_column_inner type=&#8221;4_4&#8243; saved_specialty_column_type=&#8221;2_3&#8243;][et_pb_post_title _builder_version=&#8221;3.0.106&#8243; title=&#8221;on&#8221; meta=&#8221;on&#8221; author=&#8221;on&#8221; date=&#8221;on&#8221; categories=&#8221;on&#8221; comments=&#8221;on&#8221; featured_image=&#8221;on&#8221; featured_placement=&#8221;above&#8221; text_color=&#8221;dark&#8221; text_background=&#8221;off&#8221; locked=&#8221;on&#8221; parent_locked=&#8221;off&#8221; \/][et_pb_text _builder_version=&#8221;3.17.6&#8243; background_layout=&#8221;light&#8221; parent_locked=&#8221;off&#8221;]<\/p>\n<p>Face coverings are effective at reducing the amount of virus emitted by infected people.<\/p>\n<p>In general, face coverings are most effective at controlling transmission from an infected person when particle spread is greatest i.e., with \u201csuperspreading activities\u201d such as sneezing and shouting.<\/p>\n<p>[\/et_pb_text][et_pb_post_nav _builder_version=&#8221;3.0.106&#8243; in_same_term=&#8221;off&#8221; show_prev=&#8221;on&#8221; show_next=&#8221;on&#8221; prev_text=&#8221;Previous&#8221; next_text=&#8221;Next&#8221; locked=&#8221;on&#8221; parent_locked=&#8221;off&#8221; \/][et_pb_comments _builder_version=&#8221;3.0.106&#8243; show_avatar=&#8221;on&#8221; show_reply=&#8221;on&#8221; show_count=&#8221;on&#8221; background_layout=&#8221;light&#8221; header_font_size_tablet=&#8221;51&#8243; header_line_height_tablet=&#8221;2&#8243; custom_button=&#8221;on&#8221; button_icon_placement=&#8221;right&#8221; button_text_color=&#8221;#ffffff&#8221; button_use_icon=&#8221;off&#8221; locked=&#8221;on&#8221; parent_locked=&#8221;off&#8221; button_text_size__hover_enabled=&#8221;off&#8221; button_text_size__hover=&#8221;null&#8221; button_one_text_size__hover_enabled=&#8221;off&#8221; button_one_text_size__hover=&#8221;null&#8221; button_two_text_size__hover_enabled=&#8221;off&#8221; button_two_text_size__hover=&#8221;null&#8221; button_text_color__hover_enabled=&#8221;off&#8221; button_text_color__hover=&#8221;null&#8221; button_one_text_color__hover_enabled=&#8221;off&#8221; button_one_text_color__hover=&#8221;null&#8221; button_two_text_color__hover_enabled=&#8221;off&#8221; button_two_text_color__hover=&#8221;null&#8221; button_border_width__hover_enabled=&#8221;off&#8221; button_border_width__hover=&#8221;null&#8221; button_one_border_width__hover_enabled=&#8221;off&#8221; button_one_border_width__hover=&#8221;null&#8221; button_two_border_width__hover_enabled=&#8221;off&#8221; button_two_border_width__hover=&#8221;null&#8221; button_border_color__hover_enabled=&#8221;off&#8221; button_border_color__hover=&#8221;null&#8221; button_one_border_color__hover_enabled=&#8221;off&#8221; button_one_border_color__hover=&#8221;null&#8221; button_two_border_color__hover_enabled=&#8221;off&#8221; button_two_border_color__hover=&#8221;null&#8221; button_border_radius__hover_enabled=&#8221;off&#8221; button_border_radius__hover=&#8221;null&#8221; button_one_border_radius__hover_enabled=&#8221;off&#8221; button_one_border_radius__hover=&#8221;null&#8221; button_two_border_radius__hover_enabled=&#8221;off&#8221; button_two_border_radius__hover=&#8221;null&#8221; button_letter_spacing__hover_enabled=&#8221;off&#8221; button_letter_spacing__hover=&#8221;null&#8221; button_one_letter_spacing__hover_enabled=&#8221;off&#8221; button_one_letter_spacing__hover=&#8221;null&#8221; button_two_letter_spacing__hover_enabled=&#8221;off&#8221; button_two_letter_spacing__hover=&#8221;null&#8221; button_bg_color__hover_enabled=&#8221;off&#8221; button_bg_color__hover=&#8221;null&#8221; button_one_bg_color__hover_enabled=&#8221;off&#8221; button_one_bg_color__hover=&#8221;null&#8221; button_two_bg_color__hover_enabled=&#8221;off&#8221; button_two_bg_color__hover=&#8221;null&#8221; \/][et_pb_text admin_label=&#8221;Related posts&#8221; _builder_version=&#8221;3.0.106&#8243; background_layout=&#8221;light&#8221; locked=&#8221;on&#8221; parent_locked=&#8221;off&#8221;]<\/p>\n<h1>Related<\/h1>\n<!-- relpost-thumb-wrapper --><div class=\"relpost-thumb-wrapper\"><!-- filter-class --><div class=\"relpost-thumb-container\"><h3>Related posts:<\/h3><div style=\"clear: both\"><\/div><div style=\"clear: both\"><\/div><!-- relpost-block-container --><div class=\"relpost-block-container relpost-block-column-layout\" style=\"--relposth-columns: 3;--relposth-columns_t: 2; --relposth-columns_m: 2\"><a href=\"https:\/\/sites.manchester.ac.uk\/covid19-national-project\/2022\/10\/05\/which-types-of-ventilation-are-most-effective\/\"class=\"relpost-block-single\" ><div class=\"relpost-custom-block-single\"><div class=\"relpost-block-single-image rpt-lazyload\" aria-label=\"A train passenger wearing a face mask opening a window.\" role=\"img\" data-bg=\"https:\/\/sites.manchester.ac.uk\/covid19-national-project\/wp-content\/uploads\/sites\/276\/2022\/09\/person-opening-window-150x150.jpg\" style=\"background: transparent no-repeat scroll 0% 0%; width: 150px; height: 150px; aspect-ratio: 1\/1;\"><\/div><div class=\"relpost-block-single-text\"  style=\"height: 75px;font-family: Arial;  font-size: 12px;  color: #333333;\"><h2 class=\"relpost_card_title\">Which types of ventilation are most effective?<\/h2><\/div><\/div><\/a><a href=\"https:\/\/sites.manchester.ac.uk\/covid19-national-project\/2022\/09\/30\/does-it-matter-what-type-of-face-covering-i-wear\/\"class=\"relpost-block-single\" ><div class=\"relpost-custom-block-single\"><div class=\"relpost-block-single-image rpt-lazyload\" aria-label=\"Group of people wearing surgical masks and standing together, prevention and safety procedures concept.\" role=\"img\" data-bg=\"https:\/\/sites.manchester.ac.uk\/covid19-national-project\/wp-content\/uploads\/sites\/276\/2022\/09\/illustration-people-masks-150x150.jpg\" style=\"background: transparent no-repeat scroll 0% 0%; width: 150px; height: 150px; aspect-ratio: 1\/1;\"><\/div><div class=\"relpost-block-single-text\"  style=\"height: 75px;font-family: Arial;  font-size: 12px;  color: #333333;\"><h2 class=\"relpost_card_title\">Does it matter what type of face covering I wear?<\/h2><\/div><\/div><\/a><a href=\"https:\/\/sites.manchester.ac.uk\/covid19-national-project\/2022\/10\/05\/how-likely-is-it-for-respiratory-virus-transmission-to-occur-via-surfaces\/\"class=\"relpost-block-single\" ><div class=\"relpost-custom-block-single\"><div class=\"relpost-block-single-image rpt-lazyload\" aria-label=\"COVID-19 surface transmission via door handle.\" role=\"img\" data-bg=\"https:\/\/sites.manchester.ac.uk\/covid19-national-project\/wp-content\/uploads\/sites\/276\/2022\/09\/surface-transmission-150x150.jpg\" style=\"background: transparent no-repeat scroll 0% 0%; width: 150px; height: 150px; aspect-ratio: 1\/1;\"><\/div><div class=\"relpost-block-single-text\"  style=\"height: 75px;font-family: Arial;  font-size: 12px;  color: #333333;\"><h2 class=\"relpost_card_title\">How likely is it for respiratory virus transmission to occur via surfaces?<\/h2><\/div><\/div><\/a><\/div><!-- close relpost-block-container --><div style=\"clear: both\"><\/div><\/div><!-- close filter class --><\/div><!-- close relpost-thumb-wrapper -->\n<p>[\/et_pb_text][\/et_pb_column_inner][\/et_pb_row_inner][\/et_pb_column][et_pb_column type=&#8221;1_3&#8243;][et_pb_sidebar _builder_version=&#8221;3.0.106&#8243; area=&#8221;sidebar-1&#8243; orientation=&#8221;left&#8221; show_border=&#8221;off&#8221; background_layout=&#8221;light&#8221; locked=&#8221;on&#8221; \/][\/et_pb_column][\/et_pb_section][et_pb_section bb_built=&#8221;1&#8243; _builder_version=&#8221;3.11.1&#8243; background_color=&#8221;#1d1d1d&#8221; prev_background_color=&#8221;#ffffff&#8221; global_module=&#8221;1519&#8243;][et_pb_row admin_label=&#8221;row&#8221; global_parent=&#8221;1519&#8243; parallax_method_1=&#8221;off&#8221; parallax_method_2=&#8221;off&#8221; parallax_method_3=&#8221;off&#8221; module_id=&#8221;footer-row&#8221; _builder_version=&#8221;3.0.89&#8243;][et_pb_column type=&#8221;1_3&#8243;][et_pb_text admin_label=&#8221;Address Title&#8221; global_parent=&#8221;1519&#8243; _builder_version=&#8221;3.17.6&#8243; text_text_color=&#8221;#ffffff&#8221; background_size=&#8221;initial&#8221; background_position=&#8221;top_left&#8221; background_repeat=&#8221;repeat&#8221; background_layout=&#8221;dark&#8221;]<\/p>\n<p style=\"color: #fff !important;font-size: 1.3em;font-weight: 600\">Contact Us<\/p>\n<p>[\/et_pb_text][et_pb_text admin_label=&#8221;Address&#8221; global_parent=&#8221;1519&#8243; module_id=&#8221;address&#8221; module_class=&#8221;contact-us&#8221; _builder_version=&#8221;3.17.6&#8243; background_size=&#8221;initial&#8221; background_position=&#8221;top_left&#8221; background_repeat=&#8221;repeat&#8221; background_layout=&#8221;dark&#8221; use_border_color=&#8221;off&#8221; border_color=&#8221;#ffffff&#8221; border_style=&#8221;solid&#8221;]<\/p>\n<p>Email:\u00a0<span style=\"text-decoration: underline\"><a href=\"mailto:PROTECT@hse.gov.uk\" target=\"_blank\" rel=\"noopener noreferrer\">PROTECT@hse.gov.uk<\/a><\/span><\/p>\n<p>Health &amp; Safety Executive \u2013 Science Division<br \/>Harpur Hill<br \/>Buxton<br \/>SK17 9JN<\/p>\n<p>[\/et_pb_text][\/et_pb_column][et_pb_column type=&#8221;1_3&#8243;][et_pb_text admin_label=&#8221;Connect Title&#8221; global_parent=&#8221;1519&#8243; _builder_version=&#8221;3.17.6&#8243; text_text_color=&#8221;#ffffff&#8221; background_size=&#8221;initial&#8221; background_position=&#8221;top_left&#8221; background_repeat=&#8221;repeat&#8221; background_layout=&#8221;dark&#8221;]<\/p>\n<p style=\"color: #fff !important;font-size: 1.3em;font-weight: 600\">Connect with us<\/p>\n<p>[\/et_pb_text][et_pb_code admin_label=&#8221;Social Media&#8221; global_parent=&#8221;1519&#8243; _builder_version=&#8221;3.17.6&#8243;]<\/p>\n<ul class=\"inlineList footer-socialIcons\"><!-- [et_pb_line_break_holder] --><\/p>\n<li><!-- [et_pb_line_break_holder] --> <a href=\"https:\/\/twitter.com\/PROTECT_NCS\"><!-- [et_pb_line_break_holder] --> <img loading=\"lazy\" decoding=\"async\" class=\"lazy\" src=\"\/\/assets.manchester.ac.uk\/phase1\/templates\/images\/icon-twitter-50.png\" alt=\"Twitter page for the PROTECT National Core Study.\" width=\"40\" height=\"40\" \/><!-- [et_pb_line_break_holder] --> <\/a><!-- [et_pb_line_break_holder] --><\/li>\n<p><!-- [et_pb_line_break_holder] --><\/p>\n<li><!-- [et_pb_line_break_holder] --> <a href=\"https:\/\/www.youtube.com\/channel\/UCU8kCv9oZAJCNrP3KZmRgTQ\"><!-- [et_pb_line_break_holder] --> <img loading=\"lazy\" decoding=\"async\" class=\"lazy\" src=\"\/\/assets.manchester.ac.uk\/phase1\/templates\/images\/icon-youtube-50.png\" alt=\"YouTube channel for the PROTECT project.\" width=\"40\" height=\"40\" \/><!-- [et_pb_line_break_holder] --> <\/a><!-- [et_pb_line_break_holder] --><\/li>\n<p><!-- [et_pb_line_break_holder] --><\/ul>\n<p>[\/et_pb_code][\/et_pb_column][et_pb_column type=&#8221;1_3&#8243;][\/et_pb_column][\/et_pb_row][\/et_pb_section]<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Face coverings are effective at reducing the amount of virus emitted by infected people. In general, face coverings are most effective at controlling transmission from an infected person when particle spread is greatest i.e., with \u201csuperspreading activities\u201d such as sneezing and shouting. Related <!-- relpost-thumb-wrapper --><div class=\"relpost-thumb-wrapper\"><!-- filter-class --><div class=\"relpost-thumb-container\"><h3>Related posts:<\/h3><div style=\"clear: both\"><\/div><div style=\"clear: both\"><\/div><!-- relpost-block-container --><div class=\"relpost-block-container relpost-block-column-layout\" style=\"--relposth-columns: 3;--relposth-columns_t: 2; --relposth-columns_m: 2\"><a href=\"https:\/\/sites.manchester.ac.uk\/covid19-national-project\/2022\/09\/30\/does-it-matter-what-type-of-face-covering-i-wear\/\"class=\"relpost-block-single\" ><div class=\"relpost-custom-block-single\"><div class=\"relpost-block-single-image rpt-lazyload\" aria-label=\"Group of people wearing surgical masks and standing together, prevention and safety procedures concept.\" role=\"img\" data-bg=\"https:\/\/sites.manchester.ac.uk\/covid19-national-project\/wp-content\/uploads\/sites\/276\/2022\/09\/illustration-people-masks-150x150.jpg\" style=\"background: transparent no-repeat scroll 0% 0%; width: 150px; height: 150px; aspect-ratio: 1\/1;\"><\/div><div class=\"relpost-block-single-text\"  style=\"height: 75px;font-family: Arial;  font-size: 12px;  color: #333333;\"><h2 class=\"relpost_card_title\">Does it matter what type of face covering I wear?<\/h2><\/div><\/div><\/a><a href=\"https:\/\/sites.manchester.ac.uk\/covid19-national-project\/2022\/10\/05\/how-likely-is-it-for-respiratory-virus-transmission-to-occur-via-surfaces\/\"class=\"relpost-block-single\" ><div class=\"relpost-custom-block-single\"><div class=\"relpost-block-single-image rpt-lazyload\" aria-label=\"COVID-19 surface transmission via door handle.\" role=\"img\" data-bg=\"https:\/\/sites.manchester.ac.uk\/covid19-national-project\/wp-content\/uploads\/sites\/276\/2022\/09\/surface-transmission-150x150.jpg\" style=\"background: transparent no-repeat scroll 0% 0%; width: 150px; height: 150px; aspect-ratio: 1\/1;\"><\/div><div class=\"relpost-block-single-text\"  style=\"height: 75px;font-family: Arial;  font-size: 12px;  color: #333333;\"><h2 class=\"relpost_card_title\">How likely is it for respiratory virus transmission to occur via surfaces?<\/h2><\/div><\/div><\/a><a href=\"https:\/\/sites.manchester.ac.uk\/covid19-national-project\/2022\/10\/05\/which-types-of-ventilation-are-most-effective\/\"class=\"relpost-block-single\" ><div class=\"relpost-custom-block-single\"><div class=\"relpost-block-single-image rpt-lazyload\" aria-label=\"A train passenger wearing a face mask opening a window.\" role=\"img\" data-bg=\"https:\/\/sites.manchester.ac.uk\/covid19-national-project\/wp-content\/uploads\/sites\/276\/2022\/09\/person-opening-window-150x150.jpg\" style=\"background: transparent no-repeat scroll 0% 0%; width: 150px; height: 150px; aspect-ratio: 1\/1;\"><\/div><div class=\"relpost-block-single-text\"  style=\"height: 75px;font-family: Arial;  font-size: 12px;  color: #333333;\"><h2 class=\"relpost_card_title\">Which types of ventilation are most effective?<\/h2><\/div><\/div><\/a><\/div><!-- close relpost-block-container --><div style=\"clear: both\"><\/div><\/div><!-- close filter class --><\/div><!-- close relpost-thumb-wrapper --> Contact Us Email:\u00a0PROTECT@hse.gov.uk Health &amp; Safety Executive \u2013 Science DivisionHarpur HillBuxtonSK17 [&hellip;]<\/p>\n","protected":false},"author":4299,"featured_media":3281,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"on","_et_pb_old_content":"","_et_gb_content_width":"","_exactmetrics_skip_tracking":false,"footnotes":""},"categories":[97,101,98],"tags":[36],"class_list":["post-3294","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-advice-for-individuals","category-face-coverings","category-preventing-the-spread-of-respiratory-viruses","tag-face-coverings"],"_links":{"self":[{"href":"https:\/\/sites.manchester.ac.uk\/covid19-national-project\/wp-json\/wp\/v2\/posts\/3294","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sites.manchester.ac.uk\/covid19-national-project\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/sites.manchester.ac.uk\/covid19-national-project\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/sites.manchester.ac.uk\/covid19-national-project\/wp-json\/wp\/v2\/users\/4299"}],"replies":[{"embeddable":true,"href":"https:\/\/sites.manchester.ac.uk\/covid19-national-project\/wp-json\/wp\/v2\/comments?post=3294"}],"version-history":[{"count":3,"href":"https:\/\/sites.manchester.ac.uk\/covid19-national-project\/wp-json\/wp\/v2\/posts\/3294\/revisions"}],"predecessor-version":[{"id":3298,"href":"https:\/\/sites.manchester.ac.uk\/covid19-national-project\/wp-json\/wp\/v2\/posts\/3294\/revisions\/3298"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/sites.manchester.ac.uk\/covid19-national-project\/wp-json\/wp\/v2\/media\/3281"}],"wp:attachment":[{"href":"https:\/\/sites.manchester.ac.uk\/covid19-national-project\/wp-json\/wp\/v2\/media?parent=3294"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/sites.manchester.ac.uk\/covid19-national-project\/wp-json\/wp\/v2\/categories?post=3294"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/sites.manchester.ac.uk\/covid19-national-project\/wp-json\/wp\/v2\/tags?post=3294"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}