Health

Covid: How a £20 gadget could save lives – BBC News

.css-94m6rd-HeadingWrapper{border-bottom:strong 1px #BABABA;padding-bottom:1.5rem;}.css-94m6rd-HeadingWrapper > *:not([hidden]):not(fashion) ~ *:not([hidden]):not(fashion){margin-top:1rem;}.css-vk3nhx-ComponentWrapper{margin:1.5rem 0;} .css-2y05cd-StyledFigure{font-family:ReithSans,Helvetica,Arial,freesans,sans-serif;font-weight:400;font-size:0.875rem;line-height:1.125rem;} .css-kwaqyc-StyledFigureContainer{place:relative;} .css-1xtcmof-Placeholder{place:relative;show:block;padding-bottom:56.25%;background-color:#EEEEEE;}.css-1xtcmof-Placeholder img{overflow:hidden;place:absolute;prime:0;proper:0;backside:0;left:0;show:-webkit-box;show:-webkit-flex;show:-ms-flexbox;show:flex;-webkit-box-pack:heart;-webkit-justify-content:heart;-ms-flex-pack:heart;justify-content:heart;-webkit-align-items:heart;-webkit-box-align:heart;-ms-flex-align:heart;align-items:heart;width:100%;peak:100%;object-fit:cowl;} .css-evoj7m-Picture{show:block;width:100%;peak:auto;} .css-1ecljvk-StyledFigureCopyright{place:absolute;backside:0;proper:0;background:#3F3F42;shade:#EEEEEE;padding:0.25rem 0.5rem;text-transform:uppercase;}Getty Photographs .css-uf6wea-RichTextComponentWrapper{margin:1rem 0;max-width:36.25rem;} .css-83cqas-RichTextContainer{shade:#3F3F42;}.css-83cqas-RichTextContainer > *:not([hidden]):not(fashion) ~ *:not([hidden]):not(fashion){margin-top:1rem;} .css-14iz86j-BoldText{font-weight:daring;}One of many mysteries of Covid-19 is…