Tecovirimat, sold under the brand name Tpoxx among others, is an antiviral medication with activity against orthopoxviruses such as smallpox and mpox. In 2018 it became the first antipoxviral drug approved in the United States...Wikipedia

Manufacturer's Website: Not Available                                                                                                         Average retail cost: $8/84 caps

Baloxavir marboxil (BXM), sold under the brand name Xofluza, is an antiviral medication for treatment of influenza A and influenza B flu...Wikipedia

Manufacturer's Website: Xofluza                                                                                                                   Average retail cost: $193/dose pack

Enfuvirtide (INN) is an HIV fusion inhibitor, the first of a class of antiretroviral drugs used in combination therapy for the treatment of HIV-1 infection. It is marketed under the trade name Fuzeon (Roche)...Wikipedia

Manufacturer's Website: Fuzeon                                                                                                                              Average retail cost: $3,710/1 kit

Fostemsavir, sold under the brand name Rukobia, is an antiretroviral medication for adults living with HIV/AIDS who have tried multiple HIV medications and whose HIV infection cannot be successfully treated with other therapies because of resistance, intolerance or safety considerations...Wikipedia

Manufacturer's Website: Rukobia                                                                                                                         Average retail cost: $9,641/60 tabs

Letermovir (INN; trade name Prevymis) is an antiviral drug for the treatment of cytomegalovirus (CMV) infections. It has been tested in CMV infected patients with allogeneic stem cell transplants and may also be useful for other patients with a compromised immune system such as those with organ transplants or HIV infections...Wikipedia

Manufacturer's Website: Prevymis                                                                                                                      Average retail cost: $9,869/28 tabs

Maribavir, sold under the brand name Livtencity, is an antiviral medication that is used to treat post-transplant cytomegalovirus (CMV)...Wikipedia

Manufacturer's Website: Livtencity                                                                                                               Average retail cost: $27,328/112 tabs

Sofosbuvir, sold under the brand name Sovaldi among others, is a medication used to treat hepatitis C. It is only recommended with some combination of ribavirin, peginterferon-alfa, simeprevir, ledipasvir, daclatasvir, or velpatasvir.....Wikipedia

Manufacturer's Website: Sovaldi                                                                                                                             Average retail cost: $28,900/28 tabs

Ibalizumab (trade name Trogarzo) is a non-immunosuppressive humanised monoclonal antibody that binds CD4, the primary receptor for HIV, and inhibits HIV from entering cells. It is a post-attachment inhibitor, blocking HIV from binding to the CCR5 and CXCR4 co-receptors after HIV binds to the CD4 receptor on the surface of a CD4 cell...Wikipedia

Manufacturer's Website: Trogarzo                                                                                                                                         Average retail cost: *

* This drug is only available at select specialty pharmacies, which usually means it may be expensive.