inclusion criteria: informed consent. age of 18 years or more. patient with suspected covid-19 and who meets hospitalization criteria. d-dimer> 500 ng / ml. clinical characteristics highly compatible with sars-cov-2 infection and confirmation by rt-qpcr at baseline or in the second sample in case of a first negative test and clinical suspicion remains. patient admitted to hospital

inclusion criteria: informed consent. age of 18 years or more. patient with suspected covid-19 and who meets hospitalization criteria. d-dimer> 500 ng / ml. clinical characteristics highly compatible with sars-cov-2 infection and confirmation by rt-qpcr at baseline or in the second sample in case of a first negative test and clinical suspicion remains. patient admitted to hospital

inclusion criteria: 1. informed consent. 2. age of 18 years or more. 3. patient with suspected covid-19 and who meets hospitalization criteria. 4. d-dimer> 500 ng / ml. 5. clinical characteristics highly compatible with sars-cov-2 infection and confirmation by rt-qpcr at baseline or in the second sample in case of a first negative test and clinical suspicion remains. 6. patient admitted to hospital

inclusion criteria: 1. informed consent. 2. age of 18 years or more. 3. patient with suspected covid-19 and who meets hospitalization criteria. 4. d-dimer> 500 ng / ml. 5. clinical characteristics highly compatible with sars-cov-2 infection and confirmation by rt-qpcr at baseline or in the second sample in case of a first negative test and clinical suspicion remains. 6. patient admitted to hospital