Coronavirus testing: Five questions answered
What makes a suspected Covid-19 case? How is it tested? And what about 'false negatives'?
New Zealand recorded its second confirmed case of Covid-19 today, after 160 negatives. How are these tests carried out? Science reporter Jamie Morton explains. To date, about 160 people have been tested for Covid-19, of which two have returned positive resu… [+3704 chars]