"ව්යාප්ත වසංගත" හි සංශෝධන අතර වෙනස්කම්
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67 පේළිය:
[[ගොනුව:WHO pandemic phases.png|thumb|[[World Health Organization]] influenza pandemic alert phases]]
* The Greek physician [[Hippocrates]], the "Father of Medicine", first described influenza in 412 BC.<ref>[http://who.int/inf-pr-1999/en/pr99-11.html 50 Years of Influenza Surveillance]. ''World Health Organization''.</ref>
* The first influenza pandemic was recorded in 1580 and since then influenza pandemics occurred every 10 to 30 years.<ref>[
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127 පේළිය:
[[Malaria]] is widespread in [[Tropics|tropical]] and subtropical regions, including parts of the [[Americas]], [[ආසියාව]], and [[Africa]]. Each year, there are approximately 350–500 million cases of malaria.<ref>[http://www.cdc.gov/malaria/facts.htm Malaria Facts]. ''Centers for Disease Control and Prevention.''</ref> [[Drug resistance]] poses a growing problem in the treatment of malaria in the 21st century, since resistance is now common against all classes of antimalarial drugs, with the exception of the artemisinins.<ref>{{cite journal |author=White NJ |title=Antimalarial drug resistance |journal=J. Clin. Invest. |volume=113 |issue=8 |pages=1084–92 |year=2004 |month=April |pmid=15085184 |pmc=385418 |doi=10.1172/JCI21682}}</ref>
Malaria was once common in most of [[යුරෝපය]] and [[North America]], where it is now for all purposes non-existent.<ref>[http://www.cambridge.org/catalogue/catalogue.asp?isbn=9780511254819&ss=exc Vector- and Rodent-Borne Diseases in Europe and North America]. Norman G. Gratz. ''World Health Organization, Geneva.''</ref> Malaria may have contributed to the decline of the [[Roman Empire]].<ref>[http://news.bbc.co.uk/2/hi/science/nature/1180469.stm DNA clues to malaria in ancient Rome]. ''BBC News.'' February 20, 2001.</ref> The disease became known as "[[Roman Fever (disease)|Roman fever]]".<ref>[http://web.archive.org/web/20030418065806/http://www.abc.net.au/rn/talks/perspective/stories/s776423.htm "Malaria and Rome"]. Robert Sallares. ''ABC.net.au.'' January 29, 2003.</ref> ''[[Plasmodium falciparum]]'' became a real threat to colonists and [[indigenous people]] alike when it was introduced into the Americas along with the [[slave trade]]. Malaria devastated the [[Jamestown Settlement|Jamestown]] colony and regularly ravaged the South and Midwest. By 1830 it had reached the Pacific Northwest.<ref>[http://www.washington.edu/uwired/outreach/cspn/Website/Course%20Index/Lessons/7/7.html "The Changing World of Pacific Northwest Indians"]. ''Center for the Study of the Pacific Northwest, University of Washington.''</ref> During the [[American Civil War]], there were over 1.2 million cases of malaria among
soldiers of both sides.<ref>[http://www.infoplease.com/cig/dangerous-diseases-epidemics/malaria.html "A Brief History of Malaria"]</ref> The southern U.S. continued to be afflicted with millions of cases of malaria into the 1930s.<ref>[http://ngm.nationalgeographic.com/ngm/0707/feature1/text3.html Malaria]. By Michael Finkel. ''National Geographic Magazine.''</ref>
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