{"id":1666,"date":"2011-06-04T07:44:54","date_gmt":"2011-06-04T11:44:54","guid":{"rendered":"http:\/\/blogs.nejm.org\/?p=1666"},"modified":"2015-06-04T15:23:36","modified_gmt":"2015-06-04T19:23:36","slug":"hiv-epidemiology-and-something-even-many-smart-medical-students-dont-know","status":"publish","type":"post","link":"https:\/\/blogs.nejm.org\/hiv-id-observations\/index.php\/hiv-epidemiology-and-something-even-many-smart-medical-students-dont-know\/2011\/06\/04\/","title":{"rendered":"HIV Epidemiology and Something Even Many Smart Medical Students Don&#8217;t Know"},"content":{"rendered":"<p><a href=\"http:\/\/blogs.nejm.org\/hiv-id-observations\/wp-content\/uploads\/sites\/2\/2011\/06\/life-mag-19851.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignright size-full wp-image-1668\" title=\"life mag 1985\" src=\"http:\/\/blogs.nejm.org\/hiv-id-observations\/wp-content\/uploads\/sites\/2\/2011\/06\/life-mag-19851.jpg\" alt=\"\" width=\"224\" height=\"291\" \/><\/a>Periodically I like to give an informal quiz to the medical students about HIV epidemiology.  It&#8217;s a multiple choice question that goes something like this:<\/p>\n<p>Based on the recent epidemiology of HIV in the United States, in what group are new cases of HIV infection rising the fastest?<\/p>\n<ol>\n<li>Men who have sex with men (MSM)<\/li>\n<li>Injection drug users (IDUs)<\/li>\n<li>Heterosexual women<\/li>\n<li>Some other group<\/li>\n<\/ol>\n<p>(Correct answer:\u00a0 #1.)<\/p>\n<p>Now these are <a href=\"http:\/\/hms.harvard.edu\/admissions\/default.asp?page=profiles\" target=\"_blank\">smart kids<\/a>.\u00a0 Many of them have done impressive things before starting med school, including a bunch who have even worked in the HIV field (especially global HIV).\u00a0 Yet despite these brains and experience, you&#8217;d be amazed how often they choose the wrong answer, most commonly choosing #3 (a group in whom incidence is essentially flat or declining) or #2 (injection drug use HIV in the USA is, thankfully, disappearing).<\/p>\n<p>On the 30th Anniversary of the first report of what is now known as AIDS, the <em>MMWR<\/em> has released its <a href=\"http:\/\/cdc.gov\/mmwr\/preview\/mmwrhtml\/mm6021a2.htm\" target=\"_blank\">latest HIV Surveillance report<\/a>.\u00a0 And, as in pretty much every year for more than a decade, here are the facts:<\/p>\n<blockquote><p>Surveillance data show that the proportion of HIV diagnoses occurring in  MSM continues to grow. HIV incidence among MSM has increased steadily  since the early 1990s<em><\/em>. In 2009, MSM accounted for 57% of all  persons and 75% of men with a diagnosis of HIV infection..<em><\/em>. Syphilis and gonorrhea are endemic among MSM;  outbreaks or hyperendemic sexually transmitted infections have been  reported from many communities where HIV infection also is prevalent,  further increasing the risk for acquiring and transmitting HIV<em><\/em>.<\/p><\/blockquote>\n<p>I&#8217;m not sure why this isn&#8217;t more widely known (certainly we HIV\/ID specialists know it), but I have a theory.\u00a0 Sometimes a story has media &#8220;stickiness&#8221;, and once it&#8217;s out there, it&#8217;s hard to get rid of it.\u00a0 When AIDS first hit, it was overwhelmingly a disease of MSM and IDUs; quickly it became apparent, however, that it was a sexually transmitted infection so that women were at risk too. This was a big media story &#8212; famous <em>Life<\/em> Magazine cover shown above &#8212; and somehow this has never disappeared.<\/p>\n<p>It&#8217;s kind of like, &#8220;tuberculosis is making a comeback in the USA&#8221; when, in fact, TB rates <a href=\"http:\/\/www.cdc.gov\/mmwr\/preview\/mmwrhtml\/mm5910a2.htm\" target=\"_blank\">are historically low<\/a>.\u00a0 The TB Comeback is just too sticky.\u00a0 Same thing with the generalized HIV epidemic in this country which, if you take a look at this <a href=\"http:\/\/www.aidsvu.org\/map\" target=\"_blank\">incredibly cool map<\/a>, has never happened.<\/p>\n<p>Take home message:\u00a0 HIV prevention and testing efforts should be maximally deployed where the epidemic is still raging.\u00a0 Here in the USA, that means MSM and\/or <a href=\"http:\/\/www.nejm.org\/doi\/full\/10.1056\/NEJMp1000069\" target=\"_blank\">communities of color<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Periodically I like to give an informal quiz to the medical students about HIV epidemiology. It&#8217;s a multiple choice question that goes something like this: Based on the recent epidemiology of HIV in the United States, in what group are new cases of HIV infection rising the fastest? Men who have sex with men (MSM) [&hellip;]<\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4,5,9],"tags":[332,423,633,750],"class_list":["post-1666","post","type-post","status-publish","format-standard","hentry","category-hiv","category-infectious-diseases","category-policy","tag-epidemiology","tag-hiv","tag-msm","tag-prevention"],"post_mailing_queue_ids":[],"_links":{"self":[{"href":"https:\/\/blogs.nejm.org\/hiv-id-observations\/index.php\/wp-json\/wp\/v2\/posts\/1666","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blogs.nejm.org\/hiv-id-observations\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blogs.nejm.org\/hiv-id-observations\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blogs.nejm.org\/hiv-id-observations\/index.php\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/blogs.nejm.org\/hiv-id-observations\/index.php\/wp-json\/wp\/v2\/comments?post=1666"}],"version-history":[{"count":0,"href":"https:\/\/blogs.nejm.org\/hiv-id-observations\/index.php\/wp-json\/wp\/v2\/posts\/1666\/revisions"}],"wp:attachment":[{"href":"https:\/\/blogs.nejm.org\/hiv-id-observations\/index.php\/wp-json\/wp\/v2\/media?parent=1666"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blogs.nejm.org\/hiv-id-observations\/index.php\/wp-json\/wp\/v2\/categories?post=1666"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blogs.nejm.org\/hiv-id-observations\/index.php\/wp-json\/wp\/v2\/tags?post=1666"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}