👉 CPSbV is a type of viral infection that can lead to severe complications in immunocompromised patients, especially those with weakened immune systems or compromised immune responses. It is caused by human cytomegalovirus (HCMV), which is a member of the疱疹病毒科，can cause a variety of symptoms including fever, cough, sore throat, and difficulty breathing. Vaccination against HCMV has been shown to reduce the severity of infection in immunocompromised patients
