Avara Foods has confirmed a hundred of its workers in Herefordshire tested positive for coronavirus during the past four months.
The poultry company which supplies supermarkets says just one person has tested positive in the last four weeks.
Avara says its operating its own track and trace system at sites in Herefordshire. They are working with Public Health England and the Food Standards Agency.
In total, 834 have tested positive for COVID-19 in the county- a quarter of those are from Avara Foods and at AS Green and Co near Malvern.