Who's a good doggie? Sniffer dogs might one day be able to screen people for COVID-19 in large crowds. But not when they're hungry or need a good lie down.
Understanding terms like sensitivity and specificity can help us make sense of COVID-19 testing, the accuracy of tests and what the results mean.
Our study looked at both identical and non-identical sets of twins. We found that how sensitive you are is actually inherited genetically.
Expanding coronavirus testing is one of the most important tasks public health officials are tackling right now. But questions over accuracy of the two main types of tests have rightly caused concern.