Having dry cough from 1 month and no other syntoms. Doctor told its allergic. May have bronchitis. However xray came normal. But ct scan shows multiple patches. We Never got covid, but doctor told might be it was kind of minor flu , which you may have not reliazed. Reports attached. A couple of Question as request , please treat this as request and provide some info regarding both. 1. Does these patches will increase? 2. Are These patches due to present dry cough or past covid? 3. If those due to past covid, does it means CT scan shows nothing presently except past covid patches, means nothing to worry? Thank you in advance! Patient female, 35 years, weight 85kg.