Disease the time between infection and the appearance of symptoms. The latency period is the time between infection and the ability of the disease to spread to another person, which may precede, follow, or be simultaneous with the appearance of symptoms. Some viruses also exhibit a dormant phase, called viral latency, in which the virus hides in the body in an inactive state. For example, varicella zoster virus causes chickenpox in the acute phase; after recovery from chickenpox, the virus may remain dormant in nerve cells for many years, and later cause herpes zoster (shingles). Diseases may be classified by cause,
Center for Disease Dynamics, Economics & Policy at the Center for Disease Dynamics, Economics & Policy (CDDEP), in Washington, DC and New Delhi, provides technical support to each working group, creates links within the GARP network and involves the working groups in global discussions and policy development. GARP is a CDDEP project, funded by the Bill & Melinda Gates Foundation. The Affordable Medicines Facility-malaria (AMFm) is an innovative financing mechanism designed to expand access to the most effective treatment for malaria, artemisinin-based combination therapies (ACTs) through the public, private and NGO sectors. It will reduce the use of drugs that no longer work because of drug resistance,