© Licensed to London News Pictures. 26/04/2020. WATFORD, UK. A worker in personal protection equipment (PPE) greets a car driver in a test centre which opened in the car park of Watford General Hospital on 23 April.  Those eligible to use the test centre are hospital staff members or their household who are symptomatic of Covid 19.  To accelerate the testing programme towards a target of 100,000 tests per day by 30 April set by Matt Hancock, Health Secretary, many more testing centre have been set up in the last few days including mobile pop-up test centres. Photo credit: Stephen Chung/LNP