A sign is something other people, apart from the patient can detect, such as a swelling, rash, or change in skin color. A symptom is something only the patient feels and describes, such as a headache, fatigue, or dizziness. For the most part, the symptoms of HIV are the result of infections caused by bacteria, viruses, fungi and parasites.
Coarse wavelength-division multiplexing â cost-efficient transport in short-distance optical networks. CWDM is the technology of choice for cost-efficiently transporting large amounts of data traffic in telecom or enterprise networks. Optical networking and especially the use of CWDM technology has proven to be the most cost-efficient way of addressing this requirement.
CWD is a neurological disease that affects deer, elk, and related species. Common symptoms include weight loss, excessive salivation, appetite loss, and other abnormal behavior. It is contagious, always fatal, and considered to pose a major threat to wildlife populations. It is not believed to affect humans.