Varicella (Chicken Pox)
What Is Varicella?
Varicella, or chicken pox, is a very contagious disease caused by the varicella-zoster virus of the herpes family.
Varicella, or chicken pox, is a very contagious disease caused by the varicella-zoster virus of the herpes family.
Severe acute respiratory syndrome (SARS) is a viral respiratory illness caused by a coronavirus, called SARS-associated coronavirus (SARS-CoV). SARS was first reported in Asia in February 2003. The illness spread to more than two dozen countries in North America, South America, Europe, and Asia before the SARS global outbreak of 2003 was contained.
Since 2004, there have not been any known cases of SARS reported anywhere in the world.
The symptoms of gastroenteritis are nausea, vomiting, and/or diarrhea accompanied by abdominal cramps. Some people also complain of headache, fever, chills and muscle aches. Symptoms are usually brief and last only one or two days. However, during that period, people can feel very ill and vomit, often violently and without warning, many times a day. Symptoms usually begin 24 to 48 hours after ingestion of the virus, but can appear as early as 12 hours after exposure.
Middle East Respiratory Syndrome (MERS) or Middle East Respiratory Syndrome Coronavirus (MERS-CoV) is an illness caused by coronaviruses, a large family of viruses causing diseases ranging in severity from the common cold to Severe Acute Respiratory Syndrome (SARS).