The most common cause of temporary<unk>  is a recent infection, such as the common cold.<unk> , but not idiopathic CD4+<unk> , is associated with corticosteroid use, infections with HIV and other viral, bacterial, and fungal agents, malnutrition, systemic lupus erythematosus, severe stress, intense or prolonged physical exercise (due to cortisol release), rheumatoid arthritis, sarcoidosis, multiple sclerosis, and iatrogenic (caused by other medical treatments) conditions.<unk>  is a frequent, temporary result from many types of chemotherapy, such as with cytotoxic agents or immunosuppressive drugs. Some malignancies that have spread to involve the bone marrow, such as leukemia or advanced Hodgkin's disease, also cause<unk> . Another cause is infection with Influenza A virus subtype H1N1 (and other subtypes of the Influenza A virus) and is then often associated with Monocytosis; H1N1 was responsible for the Spanish flu, the 2009 flu pandemic and in 2016 for the Influenza-epidemic in Brazil. The SARS disease caused<unk> . Among patients with laboratory-confirmed COVID-19 in Wuhan China through January 29th, 2020, 83.2 percent had<unk>  at admission. Large doses of radiation, such as those involved with nuclear accidents or medical whole body radiation, may cause<unk> .
Lymphocytopenia
Monocytopenia
Thrombocytopenia
Lymphocytosis
Cytopenia
Monocytosis
Neutropenia
Reticulocytopenia