Symptoms of infection with viruses in the<unk>  B grouping include fever, headache, sore throat, gastrointestinal distress, extreme fatigue as well as chest and muscle pain. It can also lead to spasms in arms and legs. This presentation is known as pleurodynia or Bornholm disease in many areas. Sufferers of chest pain should see a doctor immediately—in some cases, viruses in the<unk>  B family progress to myocarditis or pericarditis, which can result in permanent heart damage or death.<unk>  infection may also induce aseptic meningitis. As a group, they are the most common cause of unexpected sudden death, and may account for up to 50% of such cases. The incubation period for the<unk> es ranges from 2 to 6 days, and illness may last for up to 6 months in extreme cases, but may resolve as quickly as two days. Infection usually occurs between the months of May and June but do not show symptoms until October in temperate Northern Hemisphere regions. People should ideally spend 1 month resting during the height of infection. Another cause of this virus is from a dirty wound from an accident.
Coxsackie B virus
Coxsackie A virus
Coxsackie B4 virus
Hendra virus
Varicella zoster virus
Human bocavirus
Influenza D virus
Cricket paralysis virus