Complex sentence: The HIV/AIDS epidemic in Malawi has been characterized by drastic declines in the number of health workers available to provide treatment and care and increasing strain on health services: more than half of all hospital admissions in Malawi are related to HIV/AIDS.
Split into simpler sentences: The HIV/AIDS epidemic in Malawi has been characterized by drastic declines in the number of health workers available to provide treatment and care and increasing strain on health services. Studies have indicated that more than half of all hospital admissions in Malawi are related to HIV/AIDS.