The ability of coronavirus to hide in plain sight remains the biggest challenge

Analysis: Health correspondent Shaun Lintern looks at the latest developments to control the spread of Covid-19

The NHS test and trace system is still not reaching a quarter of Covid-positive people (AFP via Getty)

If you plan on taking advantage of the relaxation in lockdown rules this weekend, you may be more at risk of meeting someone infected with the coronavirus.

Our individual risk is impossibly complex to calculate and depends on a huge number of variables unique to almost every one of us – and the risk is changing all the time, rising and falling, as the virus spreads and retreats across the country.

The key to keeping a lid on the virus is knowing where it is, how strong or prevalent it is in those areas, as well as who is infected and who else they have been in contact with.