DARTFORD & GREENHITHE Asda, Station Road, Greenhithe. 10am to 4pm.

Boots, South Mall, Bluewater Park. 11am to 5pm.

Sainsbury's, Priory Centre, Dartford. 10am to 4pm.

The Brent Pharmacy, 15 The Brent, Dartford. 10.30am to 1pm.

Superdrug, Lower Rose Gallery, Bluewater Park. 11am to 5pm.

Village Pharmacy, 2 The Row, New Ash Green. 10.30am to 12.30pm.

SWANLEY Boots, 32 Swanley Centre, Swanley. 11am to noon.

GRAVESEND & NORTHFLEET Boots, 9 Kempthorne Street, Gravesend. 10am to 4pm.

NHS DIRECT HELPLINE 0845 4647. Open 24 hours a day to provide advice and information.