SARS: Past and Present
— With increased air travel, the emergence of infectious diseases anywhere in the world is a global concern. A recent outbreak garnering attention is the emergence of a SARS-like virus in the United Kingdom. Many symptoms of this new virus, including cough, headache, and muscle ache, are shared with other more common illnesses. However the symptoms that inspired its name are less general: a fever of over 100.4 degrees Fahrenheit (38.0 degrees Celsius) and difficult, abnormal breathing. SARS is as an acronym for Severe Acute Respiratory Syndrome and is caused by a cell-infiltration machine: a virus. The precise source of the new virus and its mode of transmission are still unknown, but some believe that it may be transmitted from animals due to its similarity to a known bat virus. Viruses that affect animals can occasionally be transferred to humans that come in contact with an infected animal, and this transmission of a pathogen from an animal to a human is known as zoonosis. Some common zoonotic diseases are Rabies, Malaria, Yellow Fever, and West Nile. The original SARS virus is thought to have originated in civet cats and then transferred to humans. Continue reading SARS: Past and Present