Chest & Breathing Problems

I have having  breathing and Allergy problem since last 10 months and also have gastric problem.I was taking gastric medicine but I am not taking medicine now a days.

I suffered from COVID last year in November, 2020. How long am i immune to the virus. Can i be infected right now?

I was diagnosed with covid 19 after now i got covid negative report but still some dry cough is there nd feeling uncomfortable near my chest area nd feeling like palpitations type is it breathing issue is it serious?

I have a needle pain chest pain in left side..and pain in legs..does it point towards pulmonary embolism..

Can a person (age 47/women) who have some Breathing problem, get vaccinated for covid(covishield to be particular)? Wouldn't it lead to any further complications?

My mother have some breathing problem, is she eligibile of being vaccinated for covid 19(more specifically covishield)? What precautions should one take in such case?

Covid test was and patient was positive with symptoms but after 5 days there was no symptoms now Is it compulsory to tAke covid test again ?

Hello Sir, I smoke 4times a day daily for 8years. I want to know What tests do I take to analyse my lungs health condition. Kindly do the needful. I'll be highly obliged for this. Yours Faithfully, Arvind Verma

Hi I am share my sop2 leval one minute photo please check it's is normal I have no symtom sometime spo2 range is 94 to 99

Hi I have covid in Sept 2020. And I have again tested positive. It's been 9 days from start of symptoms. Currently I have difficulty in breathing. My getting kind of pain at back of head. I am 21. My question is do I need to get into hospital or would it cured at home. It seems like I have 10 kg weight on my chest. Thank you Waiting for your valuable suggestions and guidance.