Cases of scarlet fever have risen in Northamptonshire this month.
There were six cases in Kettering in the week ending on March 9, plus one in Corby and one in East Northamptonshire.
This mirrors a national rise in incidences of the illness during the past year.
During February 2014 there were 868 cases reported in England, an increase from the same period in 2013 when 591 cases were reported.
Typically there are seasonal rises in scarlet fever between December and April and a cycle of increases and decreases that repeats over several years.
Public Health England head of streptococcal infection surveillance Dr Theresa Lamagni said: “The first symptoms of scarlet fever often include a sore throat, headache, fever, nausea, and vomiting.
“Between 12 to 48 hours after this, a rash develops. Cases are more common in children although adults can also develop scarlet fever.
“Symptoms usually clear up after a week and in the majority of cases remain mild providing a course of antibiotics is completed.”