A box of Evusheld, an antibody therapy developed by pharmaceutical company AstraZeneca for the prevention of COVID-19 in immunocompromised patients, is seen in February at the AstraZeneca facility for biological medicines in Sweden Jonathan Nackstrand/AFP via Getty Images The federal government is trying to make it easier for immunocompromised patients access a treatment that can protect them against COVID-19 by allowing individual health care providers to order small amounts up to three patient courses at a time, according to a Health and Human Services Department spokesperson.