She left me on read, usually replies but not sure if it had something to do with my last reply?

We were supposed to have a 4th date on Friday but she had to call a raincheck because she felt ill and testing for covid. I thought it was a brush off but I’ve had a sore throat too. She kept messaging after the date cancellation and showing interest, asking questions etc but she’s left me on read since this afternoon.

Was there something wrong with my reply? I was teasing her but not sure if it came across differently?
She left me on read, usually replies but not sure if it had something to do with my last reply?
She left me on read, usually replies but not sure if it had something to do with my last reply?
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