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Health Topics for the letter "F"
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Floods are a common and widespread natural hazard across Canada, causing extensive damage to property and loss of life. Floods can result from heavy rainfall, sewer backups, severe storms, breaking dams, broken water mains, and thawing of snow and ice. Some floods develop slowly, sometimes over a period of days or weeks. However, flash flooding usually occurs with little or no advance warning.
Fifth disease is caused by the virus Parvovirus B19. Symptoms may begin 4 to 20 days after you are exposed to someone who is infected. It's most contagious before the development of the rash.