The rate of covid in the Harrogate district has more than doubled since the end of May.
Latest North Yorkshire County Council data shows there are currently 113 positive cases per 100,000 people in the district.
The rate was at as low as 52 cases per 100,000 people on May 30.
Whilst the rate has begun to climb up again for the first time since March, it is still far below the peaks seen in January and April 2022.
North Yorkshire County Council public health consultant Dr Victoria Turner said the rise was being driven by the BA.4 and BA.5 sub-variants of omicron.
The sub-variants have also caused high rates in other countries across the world.
“There is evidence that BA.4 and BA.5 are more transmissible than previous variants, and there is limited protection from infection with previous variants against BA.4 and BA.5.
“The ways to prevent the spread of BA.4 and BA.5 remain the same as for other covid variants. Meeting outdoors where possible or in well-ventilated areas indoors, wearing a face covering in enclosed or crowded spaces, and good hand and respiratory hygiene will all reduce the risk of transmission.”
Dr Turner said anyone who has tested positive for covid should stay at home for five days.
Covid tests are available to be purchased from pharmacies.
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