The coronavirus testing system is struggling to keep up with demand as a growing number of people apply for swabs.
People with symptoms applying for drive-through tests have been directed more than 100 miles (161km) away.
The government says areas with fewer coronavirus cases have had their testing capacity reduced, in order to cope with outbreaks.
But public health experts warn this could miss the start of new spikes.
Although cases are now at a relatively low level, the UK’s chief medical adviser Prof Chris Whitty has said he expects containing the virus to be more difficult as we go into winter.
And the return to school and workplaces could lead to even more demand for testing.
The Department of Health and Social Care (DHSC) said it was