Study: NCT06521502

Intervention type: OTHER
Intervention: Blood collection
Description: Blood will be collected from a catheter (IV) that is already in place or using a needle stick into a vein.~Blood will be collected in hospital (Cohorts A, B) and at visits 3, 6, and 12 months following hospitalization for (Long-term Outcomes Cohort).

Intervention type: OTHER
Intervention: Blood collection
Description: Blood will be collected from a catheter (IV) that is already in place or using a needle stick into a vein.~Blood will be collected in hospital (Cohorts A, B) and at visits 3, 6, and 12 months following hospitalization for (Long-term Outcomes Cohort).

Intervention type: OTHER
Intervention: Blood collection
Description: Blood will be collected from a catheter (IV) that is already in place or using a needle stick into a vein.~Blood will be collected in hospital (Cohorts A, B) and at visits 3, 6, and 12 months following hospitalization for (Long-term Outcomes Cohort).

Intervention type: OTHER
Intervention: Urine Collection
Description: Urine will be collected through a urinary catheter that is already in place or by urinating into a cup.~Urine will be collected in hospital only (Cohorts A, B)

Intervention type: OTHER
Intervention: Urine Collection
Description: Urine will be collected through a urinary catheter that is already in place or by urinating into a cup.~Urine will be collected in hospital only (Cohorts A, B)

Intervention type: OTHER
Intervention: Nasal, oral, and rectal swabs
Description: Nasal, oral, and rectal swabs inserted into the nose, mouth, and rectum, respectively. The swabs will be rubbed inside the cavity and then removed the swab.~Oral and nasal swabs will also be collected in hospital (Cohort A, B) and at visits 3, 6, and 12 months following hospitalization for (Long-term Outcomes Cohort). Rectal swabs will be collected in hospital only (Cohorts A, B).

Intervention type: OTHER
Intervention: Nasal, oral, and rectal swabs
Description: Nasal, oral, and rectal swabs inserted into the nose, mouth, and rectum, respectively. The swabs will be rubbed inside the cavity and then removed the swab.~Oral and nasal swabs will also be collected in hospital (Cohort A, B) and at visits 3, 6, and 12 months following hospitalization for (Long-term Outcomes Cohort). Rectal swabs will be collected in hospital only (Cohorts A, B).

Intervention type: OTHER
Intervention: Nasal, oral, and rectal swabs
Description: Nasal, oral, and rectal swabs inserted into the nose, mouth, and rectum, respectively. The swabs will be rubbed inside the cavity and then removed the swab.~Oral and nasal swabs will also be collected in hospital (Cohort A, B) and at visits 3, 6, and 12 months following hospitalization for (Long-term Outcomes Cohort). Rectal swabs will be collected in hospital only (Cohorts A, B).

Intervention type: OTHER
Intervention: Stool collection
Description: Stool will be collected either in a cup after defecation or by collecting it from a tube or bag that may already be in place that is catching stool.~Stool will be collected in hospital (Cohorts A, B) and at visits 3, 6, and 12 months following hospitalization (Long Term Outcomes Cohort).

Intervention type: OTHER
Intervention: Stool collection
Description: Stool will be collected either in a cup after defecation or by collecting it from a tube or bag that may already be in place that is catching stool.~Stool will be collected in hospital (Cohorts A, B) and at visits 3, 6, and 12 months following hospitalization (Long Term Outcomes Cohort).

Intervention type: OTHER
Intervention: Stool collection
Description: Stool will be collected either in a cup after defecation or by collecting it from a tube or bag that may already be in place that is catching stool.~Stool will be collected in hospital (Cohorts A, B) and at visits 3, 6, and 12 months following hospitalization (Long Term Outcomes Cohort).

Intervention type: OTHER
Intervention: Heat Moisture Exchange Filter collection
Description: An HME filter is a sponge that is placed in the tubing between a patient and breathing machine. It reduces the amount of heat and moisture a patient loses when on a breathing machine. Moisture from breath is collected in this filter. The filter is changed every few hours. When the filter is changed, it will be saved to collect the moisture that it contains and run tests on it.~HME filters will be collected in hospital on intubated patients only (Cohorts A, B).

Intervention type: OTHER
Intervention: Heat Moisture Exchange Filter collection
Description: An HME filter is a sponge that is placed in the tubing between a patient and breathing machine. It reduces the amount of heat and moisture a patient loses when on a breathing machine. Moisture from breath is collected in this filter. The filter is changed every few hours. When the filter is changed, it will be saved to collect the moisture that it contains and run tests on it.~HME filters will be collected in hospital on intubated patients only (Cohorts A, B).