inclusion criteria: * patients above the age of 18 years old. * patients with a diagnosis of covid-19 on mechanical ventilation. * patient maximum baseline temperature (within previous 12 hours) \< 38.3°c. * patients must have a surrogate or legally authorized representative able to understand and critically review the informed consent form.

inclusion criteria: * patients above the age of 18 years old. * patients with a diagnosis of covid-19 on mechanical ventilation. * patient maximum baseline temperature (within previous 12 hours) \< 38.3°c. * patients must have a surrogate or legally authorized representative able to understand and critically review the informed consent form.

inclusion criteria: - patients above the age of 18 years old. - patients with a diagnosis of covid-19 on mechanical ventilation. - patient maximum baseline temperature (within previous 12 hours) < 38.3°c. - patients must have a surrogate or legally authorized representative able to understand and critically review the informed consent form.

inclusion criteria: - patients above the age of 18 years old. - patients with a diagnosis of covid-19 on mechanical ventilation. - patient maximum baseline temperature (within previous 12 hours) < 38.3°c. - patients must have a surrogate or legally authorized representative able to understand and critically review the informed consent form.