Could this be a COVID rash? Or just heat rash?

Woke up with a rash yesterday morning, which developed into the attached pic by yesterday afternoon. It’s all over my torso (front and back), lessenin

8 Types of Rashes That Can Be a Sign of COVID-19

What does an early inflammatory breast cancer rash look like?

Effective Strategies for Treating Heat Rash in Babies

Is my skin rash a COVID-19 symptom?

Skin rash should be considered fourth key symptom of COVID - King's College London

Hives - HSE.ie

Is COVID-19 Getting Under Your Skin?

Rashes can occur after COVID vaccine, but dermatologists say 'don't worry

Itchy Rash After COVID-19 - Clinical Advisor