{"id":3382,"date":"2022-10-05T12:55:55","date_gmt":"2022-10-05T11:55:55","guid":{"rendered":"https:\/\/sites.manchester.ac.uk\/covid19-national-project\/?p=3382"},"modified":"2022-10-17T09:42:22","modified_gmt":"2022-10-17T08:42:22","slug":"medium-confidence-statements","status":"publish","type":"post","link":"https:\/\/sites.manchester.ac.uk\/covid19-national-project\/2022\/10\/05\/medium-confidence-statements\/","title":{"rendered":"What we know \u2013 medium confidence statements"},"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<ul>\n<li>Ventilation is likely to be more important than distancing when people are more than 1m apart and share a room for longer periods of time<\/li>\n<li>Screens or partitions are only likely to be beneficial for reducing risk during short face-to-face interactio<\/li>\n<li>HEPA filter-based air cleaners are likely to be beneficial for reducing transmission risk\u00a0<\/li>\n<li>Air cleaning devices based on UV-C technologies are likely to be beneficial for reducing transmission risk\u00a0<\/li>\n<li>Transmission via surfaces is possible but it is likely to account for a relatively small proportion of transmission for Covid-19\u00a0<\/li>\n<li>Mechanical ventilation is often poorly understood so it is beneficial to provide information to explain how a room is ventilated\u00a0<\/li>\n<li>It is important to consider both the amount of ventilation and where airflow goes in a building<\/li>\n<\/ul>\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; 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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 we know that HEPA filter based air cleaners are likely to be beneficial for reducing transmissio...<\/h2><\/div><\/div><\/a><a href=\"https:\/\/sites.manchester.ac.uk\/covid19-national-project\/2022\/10\/05\/high_confidence_statements\/\"class=\"relpost-block-single\" ><div class=\"relpost-custom-block-single\"><div class=\"relpost-block-single-image rpt-lazyload\" aria-label=\"Coronavirus transmission prevention icons.\" role=\"img\" data-bg=\"https:\/\/sites.manchester.ac.uk\/covid19-national-project\/wp-content\/uploads\/sites\/276\/2022\/09\/prevention-measures-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\">What we know - high confidence statements<\/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; 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