###Human: What should I do to prevent DVT or PE after COVID-19 recovery? ###Assistant: Hello. Kindly answer the following questions to guide you further. Do you have any risk factors for thrombosis like family history, smoking history, prolonged bedridden, or excess weight? Does your doctor recommend to take heparin? Have you confirmed your COVID-19 by RT PCR (reverse transcription-polymerase chain reaction) testing by swab? Are there any other symptoms?