{"id":863,"date":"2026-10-12T16:58:56","date_gmt":"2026-10-12T16:58:56","guid":{"rendered":"https:\/\/avo6.com\/?page_id=863"},"modified":"2026-10-12T16:58:57","modified_gmt":"2026-10-12T16:58:57","slug":"microbiologie-et-parasitologie","status":"publish","type":"page","link":"https:\/\/avo6.com\/?page_id=863","title":{"rendered":"Microbiologie et parasitologie"},"content":{"rendered":"\n<p>Num\u00e9rations bact\u00e9riennes \u00e0 partir des colonies, conversions d\u2019unit\u00e9s de num\u00e9ration et densit\u00e9 parasitaire du paludisme selon la m\u00e9thode de l\u2019OMS. Les seuils d\u2019interpr\u00e9tation rel\u00e8vent des r\u00e9f\u00e9rentiels de microbiologie.<\/p>\n\n<div class=\"a6t-group a6t-has-tabs\" data-a6t-group=\"microbiologie\"><nav class=\"a6t-tabs\" aria-label=\"Outils de cette page\"><ul><li><a href=\"#numeration-ufc\" data-a6t-tab=\"numeration-ufc\">Num\u00e9ration UFC\/mL<\/a><\/li><li><a href=\"#conversion-numeration\" data-a6t-tab=\"conversion-numeration\">UFC et copies : conversions<\/a><\/li><li><a href=\"#densite-parasitaire\" data-a6t-tab=\"densite-parasitaire\">Densit\u00e9 parasitaire<\/a><\/li><\/ul><\/nav>\t<section class=\"a6t-tool\" id=\"numeration-ufc\" data-a6t-panel aria-labelledby=\"a6t-numeration-ufc-title\">\n\t\t<h2 id=\"a6t-numeration-ufc-title\" class=\"a6t-title\">Num\u00e9ration bact\u00e9rienne en UFC\/mL<\/h2>\n\t\t<p class=\"a6t-lead\">Concentration en UFC\/mL et UFC\/L \u00e0 partir du nombre de colonies, de la dilution et du volume ensemenc\u00e9.<\/p>\n\n\t\t<form class=\"calc a6t-form\" data-a6t-tool=\"numeration-ufc\" novalidate autocomplete=\"off\" aria-label=\"Calculateur : Num\u00e9ration UFC\/mL\">\n\t\t\t\t\t\t<fieldset class=\"a6t-fieldset\" disabled>\n\t\t\t\t<legend class=\"screen-reader-text\">Donn\u00e9es \u00e0 saisir<\/legend>\n\t\t\t\t<div class=\"field a6t-field\"><label for=\"a6t-numeration-ufc-colonies\">Nombre total de colonies compt\u00e9es<\/label><input id=\"a6t-numeration-ufc-colonies\" name=\"colonies\" type=\"text\" inputmode=\"numeric\" autocomplete=\"off\" spellcheck=\"false\" value=\"\" aria-describedby=\"a6t-numeration-ufc-colonies-err\" aria-required=\"true\"><span class=\"error\" id=\"a6t-numeration-ufc-colonies-err\" data-a6t-err-for=\"colonies\" aria-live=\"polite\"><\/span><\/div><div class=\"field a6t-field\"><label for=\"a6t-numeration-ufc-plates\">Nombre de bo\u00eetes compt\u00e9es (m\u00eame dilution) \u2014 facultatif<\/label><input id=\"a6t-numeration-ufc-plates\" name=\"plates\" type=\"text\" inputmode=\"numeric\" autocomplete=\"off\" spellcheck=\"false\" value=\"\" aria-describedby=\"a6t-numeration-ufc-plates-hint a6t-numeration-ufc-plates-err\"><span class=\"hint\" id=\"a6t-numeration-ufc-plates-hint\">1 si vide.<\/span><span class=\"error\" id=\"a6t-numeration-ufc-plates-err\" data-a6t-err-for=\"plates\" aria-live=\"polite\"><\/span><\/div><div class=\"field a6t-field\"><label for=\"a6t-numeration-ufc-factor\">Facteur de dilution<\/label><input id=\"a6t-numeration-ufc-factor\" name=\"factor\" type=\"text\" inputmode=\"decimal\" autocomplete=\"off\" spellcheck=\"false\" value=\"\" aria-describedby=\"a6t-numeration-ufc-factor-hint a6t-numeration-ufc-factor-err\" aria-required=\"true\"><span class=\"hint\" id=\"a6t-numeration-ufc-factor-hint\">1 si non dilu\u00e9 ; 1 000 pour une dilution 10\u207b\u00b3.<\/span><span class=\"error\" id=\"a6t-numeration-ufc-factor-err\" data-a6t-err-for=\"factor\" aria-live=\"polite\"><\/span><\/div><div class=\"field a6t-field\"><label for=\"a6t-numeration-ufc-vol\">Volume ensemenc\u00e9<\/label><div class=\"input-unit\"><input id=\"a6t-numeration-ufc-vol\" name=\"vol\" type=\"text\" inputmode=\"decimal\" autocomplete=\"off\" spellcheck=\"false\" value=\"\" aria-describedby=\"a6t-numeration-ufc-vol-hint a6t-numeration-ufc-vol-err\" aria-required=\"true\"><select id=\"a6t-numeration-ufc-volUnit\" name=\"volUnit\" aria-label=\"Unit\u00e9 \u2014 Volume ensemenc\u00e9\"><option value=\"mL\" selected='selected'>mL<\/option><option value=\"\u00b5L\">\u00b5L<\/option><\/select><\/div><span class=\"hint\" id=\"a6t-numeration-ufc-vol-hint\">Anse calibr\u00e9e : 1 \u00b5L ou 10 \u00b5L.<\/span><span class=\"error\" id=\"a6t-numeration-ufc-vol-err\" data-a6t-err-for=\"vol volUnit\" aria-live=\"polite\"><\/span><\/div>\t\t\t\t<div class=\"a6t-actions\">\n\t\t\t\t\t<button type=\"submit\" class=\"btn btn-primary\">Calculer<\/button>\n\t\t\t\t\t<button type=\"reset\" class=\"btn btn-ghost\">R\u00e9initialiser<\/button>\n\t\t\t\t\t<button type=\"button\" class=\"a6t-linkbtn\" data-a6t-example>Essayer l\u2019exemple<\/button>\n\t\t\t\t<\/div>\n\t\t\t<\/fieldset>\n\t\t\t<p class=\"error a6t-formerror\" data-a6t-err-for=\"_\" role=\"alert\"><\/p>\n\n\t\t\t<div class=\"calc-result a6t-result\" role=\"status\" aria-live=\"polite\" tabindex=\"-1\" hidden>\n\t\t\t\t<div class=\"a6t-main\"><\/div>\n\t\t\t\t<ul class=\"a6t-lines\"><\/ul>\n\t\t\t\t<div class=\"a6t-chart\"><\/div>\n\t\t\t\t<div class=\"a6t-table\"><\/div>\n\t\t\t\t<p class=\"a6t-formula\"><\/p>\n\t\t\t\t<ul class=\"a6t-notes\"><\/ul>\n\t\t\t\t<p class=\"hint\">R\u00e9sultat indicatif, \u00e0 interpr\u00e9ter par un professionnel de sant\u00e9.<\/p>\n\t\t\t\t<div class=\"a6t-result-actions\">\n\t\t\t\t\t<button type=\"button\" class=\"btn btn-ghost\" data-a6t-copy>Copier le r\u00e9sultat<\/button>\n\t\t\t\t\t<span class=\"a6t-copied\" aria-live=\"polite\"><\/span>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\n\t\t\t<noscript><p class=\"notice\">Ce calculateur fonctionne dans votre navigateur et n\u00e9cessite JavaScript. La formule et un exemple sont d\u00e9taill\u00e9s ci-dessous.<\/p><\/noscript>\n\t\t\t<script type=\"application\/json\" class=\"a6t-example-data\">{\"colonies\":\"150\",\"factor\":\"1000\",\"vol\":\"0,1\",\"volUnit\":\"mL\"}<\/script>\n\t\t<\/form>\n\n\t\t<div class=\"a6t-doc\">\n\t\t\t<h3>Formule<\/h3>\n\t\t\t<div class=\"a6t-formula-box\"><p>UFC\/mL = (colonies \/ nombre de bo\u00eetes) \u00d7 facteur de dilution \/ volume ensemenc\u00e9 (mL)<\/p><p>UFC\/L = UFC\/mL \u00d7 1 000.<\/p><\/div>\n\n\t\t\t<h3>Unit\u00e9s<\/h3>\n\t\t\t<p>Volume en mL ou \u00b5L ; r\u00e9sultat en UFC\/mL, UFC\/L et log\u2081\u2080.<\/p>\n\n\t\t\t<h3>Exemple<\/h3>\n\t\t\t<p>150 colonies sur une bo\u00eete, dilution 10\u207b\u00b3, 0,1 mL ensemenc\u00e9 : 150 \u00d7 1 000 \/ 0,1 = 1,50 \u00d7 10\u2076 UFC\/mL.<\/p>\n\n\t\t\t<h3>Limites<\/h3>\n\t\t\t<ul>\n\t\t\t\t\t\t\t\t\t<li>Plage comptable de 25 \u00e0 250 colonies par bo\u00eete selon le BAM ; en dehors, l\u2019estimation est moins fiable.<\/li>\n\t\t\t\t\t\t\t\t\t<li>Une colonie peut provenir de plusieurs cellules (amas, cha\u00eenettes) : l\u2019UFC n\u2019est pas un nombre de bact\u00e9ries.<\/li>\n\t\t\t\t\t\t\t\t\t<li>Les seuils d\u2019interpr\u00e9tation (ECBU, etc.) rel\u00e8vent des r\u00e9f\u00e9rentiels de microbiologie et du contexte clinique.<\/li>\n\t\t\t\t\t\t\t<\/ul>\n\n\t\t\t<h3>R\u00e9f\u00e9rences<\/h3>\n\t\t\t<ol class=\"a6t-refs\">\n\t\t\t\t\t\t\t\t\t<li>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/www.fda.gov\/food\/laboratory-methods-food\/bam-aerobic-plate-count\" rel=\"noopener\" target=\"_blank\">Maturin L, Peeler JT. Bacteriological Analytical Manual, Chapter 3: Aerobic Plate Count. US FDA (r\u00e9vision 2001).<\/a>\n\t\t\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t<\/ol>\n\t\t\t<p class=\"a6t-verified\">Formule v\u00e9rifi\u00e9e par rapport aux r\u00e9f\u00e9rences ci-dessus le 12 octobre 2026.<\/p>\n\t\t<\/div>\n\t<\/section>\n\t\t<section class=\"a6t-tool\" id=\"conversion-numeration\" data-a6t-panel aria-labelledby=\"a6t-conversion-numeration-title\">\n\t\t<h2 id=\"a6t-conversion-numeration-title\" class=\"a6t-title\">Conversions UFC et copies : \/\u00b5L, \/mL, \/L<\/h2>\n\t\t<p class=\"a6t-lead\">UFC\/mL \u2194 UFC\/L, copies\/\u00b5L \u2194 copies\/mL, avec affichage en log\u2081\u2080.<\/p>\n\n\t\t<form class=\"calc a6t-form\" data-a6t-tool=\"conversion-numeration\" novalidate autocomplete=\"off\" aria-label=\"Calculateur : UFC et copies : conversions\">\n\t\t\t\t\t\t<fieldset class=\"a6t-fieldset\" disabled>\n\t\t\t\t<legend class=\"screen-reader-text\">Donn\u00e9es \u00e0 saisir<\/legend>\n\t\t\t\t<div class=\"field a6t-field\"><label for=\"a6t-conversion-numeration-value\">Valeur<\/label><div class=\"input-unit\"><input id=\"a6t-conversion-numeration-value\" name=\"value\" type=\"text\" inputmode=\"decimal\" autocomplete=\"off\" spellcheck=\"false\" value=\"\" aria-describedby=\"a6t-conversion-numeration-value-hint a6t-conversion-numeration-value-err\" aria-required=\"true\"><select id=\"a6t-conversion-numeration-from\" name=\"from\" aria-label=\"Unit\u00e9 de d\u00e9part\"><option value=\"UFC\/\u00b5L\">UFC\/\u00b5L<\/option><option value=\"UFC\/mL\">UFC\/mL<\/option><option value=\"UFC\/L\">UFC\/L<\/option><option value=\"copies\/\u00b5L\" selected='selected'>copies\/\u00b5L<\/option><option value=\"copies\/mL\">copies\/mL<\/option><option value=\"copies\/L\">copies\/L<\/option><\/select><\/div><span class=\"hint\" id=\"a6t-conversion-numeration-value-hint\">Notation scientifique accept\u00e9e : 2,5e6.<\/span><span class=\"error\" id=\"a6t-conversion-numeration-value-err\" data-a6t-err-for=\"value from\" aria-live=\"polite\"><\/span><\/div><div class=\"field a6t-field\"><label for=\"a6t-conversion-numeration-to\">Convertir en<\/label><select id=\"a6t-conversion-numeration-to\" name=\"to\" aria-describedby=\"a6t-conversion-numeration-to-err\"><option value=\"UFC\/\u00b5L\">UFC\/\u00b5L<\/option><option value=\"UFC\/mL\">UFC\/mL<\/option><option value=\"UFC\/L\">UFC\/L<\/option><option value=\"copies\/\u00b5L\">copies\/\u00b5L<\/option><option value=\"copies\/mL\" selected='selected'>copies\/mL<\/option><option value=\"copies\/L\">copies\/L<\/option><\/select><span class=\"error\" id=\"a6t-conversion-numeration-to-err\" data-a6t-err-for=\"to\" aria-live=\"polite\"><\/span><\/div>\t\t\t\t<div class=\"a6t-actions\">\n\t\t\t\t\t<button type=\"submit\" class=\"btn btn-primary\">Calculer<\/button>\n\t\t\t\t\t<button type=\"reset\" class=\"btn btn-ghost\">R\u00e9initialiser<\/button>\n\t\t\t\t\t<button type=\"button\" class=\"a6t-linkbtn\" data-a6t-example>Essayer l\u2019exemple<\/button>\n\t\t\t\t<\/div>\n\t\t\t<\/fieldset>\n\t\t\t<p class=\"error a6t-formerror\" data-a6t-err-for=\"_\" role=\"alert\"><\/p>\n\n\t\t\t<div class=\"calc-result a6t-result\" role=\"status\" aria-live=\"polite\" tabindex=\"-1\" hidden>\n\t\t\t\t<div class=\"a6t-main\"><\/div>\n\t\t\t\t<ul class=\"a6t-lines\"><\/ul>\n\t\t\t\t<div class=\"a6t-chart\"><\/div>\n\t\t\t\t<div class=\"a6t-table\"><\/div>\n\t\t\t\t<p class=\"a6t-formula\"><\/p>\n\t\t\t\t<ul class=\"a6t-notes\"><\/ul>\n\t\t\t\t<p class=\"hint\">R\u00e9sultat indicatif, \u00e0 interpr\u00e9ter par un professionnel de sant\u00e9.<\/p>\n\t\t\t\t<div class=\"a6t-result-actions\">\n\t\t\t\t\t<button type=\"button\" class=\"btn btn-ghost\" data-a6t-copy>Copier le r\u00e9sultat<\/button>\n\t\t\t\t\t<span class=\"a6t-copied\" aria-live=\"polite\"><\/span>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\n\t\t\t<noscript><p class=\"notice\">Ce calculateur fonctionne dans votre navigateur et n\u00e9cessite JavaScript. La formule et un exemple sont d\u00e9taill\u00e9s ci-dessous.<\/p><\/noscript>\n\t\t\t<script type=\"application\/json\" class=\"a6t-example-data\">{\"value\":\"2500\",\"from\":\"copies\\\/\\u00b5L\",\"to\":\"copies\\\/mL\"}<\/script>\n\t\t<\/form>\n\n\t\t<div class=\"a6t-doc\">\n\t\t\t<h3>Formule<\/h3>\n\t\t\t<div class=\"a6t-formula-box\"><p>1 \/\u00b5L = 1 000 \/mL = 10\u2076 \/L.<\/p><\/div>\n\n\t\t\t<h3>Unit\u00e9s<\/h3>\n\t\t\t<p>UFC ou copies par \u00b5L, mL ou L. Les UFC ne se convertissent pas en copies.<\/p>\n\n\t\t\t<h3>Exemple<\/h3>\n\t\t\t<p>2 500 copies\/\u00b5L = 2,50 \u00d7 10\u2076 copies\/mL (log\u2081\u2080 6,40).<\/p>\n\n\t\t\t<h3>Limites<\/h3>\n\t\t\t<ul>\n\t\t\t\t\t\t\t\t\t<li>Simple changement d\u2019unit\u00e9 de volume dans le m\u00eame liquide. Pour passer de l\u2019\u00e9luat \u00e0 l\u2019\u00e9chantillon de d\u00e9part, utilisez l\u2019outil \u00ab De l\u2019\u00e9luat \u00e0 l\u2019\u00e9chantillon \u00bb.<\/li>\n\t\t\t\t\t\t\t<\/ul>\n\n\t\t\t<h3>R\u00e9f\u00e9rences<\/h3>\n\t\t\t<ol class=\"a6t-refs\">\n\t\t\t\t\t\t\t\t\t<li>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/www.bipm.org\/fr\/publications\/si-brochure\" rel=\"noopener\" target=\"_blank\">BIPM. Le Syst\u00e8me international d\u2019unit\u00e9s (SI), 9e \u00e9dition.<\/a>\n\t\t\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t<\/ol>\n\t\t\t<p class=\"a6t-verified\">Formule v\u00e9rifi\u00e9e par rapport aux r\u00e9f\u00e9rences ci-dessus le 12 octobre 2026.<\/p>\n\t\t<\/div>\n\t<\/section>\n\t\t<section class=\"a6t-tool\" id=\"densite-parasitaire\" data-a6t-panel aria-labelledby=\"a6t-densite-parasitaire-title\">\n\t\t<h2 id=\"a6t-densite-parasitaire-title\" class=\"a6t-title\">Densit\u00e9 parasitaire du paludisme (goutte \u00e9paisse, m\u00e9thode OMS)<\/h2>\n\t\t<p class=\"a6t-lead\">Parasites\/\u00b5L \u00e0 partir des parasites compt\u00e9s rapport\u00e9s aux leucocytes compt\u00e9s sur goutte \u00e9paisse.<\/p>\n\n\t\t<form class=\"calc a6t-form\" data-a6t-tool=\"densite-parasitaire\" novalidate autocomplete=\"off\" aria-label=\"Calculateur : Densit\u00e9 parasitaire\">\n\t\t\t\t\t\t<fieldset class=\"a6t-fieldset\" disabled>\n\t\t\t\t<legend class=\"screen-reader-text\">Donn\u00e9es \u00e0 saisir<\/legend>\n\t\t\t\t<div class=\"field a6t-field\"><label for=\"a6t-densite-parasitaire-parasites\">Parasites asexu\u00e9s compt\u00e9s<\/label><input id=\"a6t-densite-parasitaire-parasites\" name=\"parasites\" type=\"text\" inputmode=\"numeric\" autocomplete=\"off\" spellcheck=\"false\" value=\"\" aria-describedby=\"a6t-densite-parasitaire-parasites-err\" aria-required=\"true\"><span class=\"error\" id=\"a6t-densite-parasitaire-parasites-err\" data-a6t-err-for=\"parasites\" aria-live=\"polite\"><\/span><\/div><div class=\"field a6t-field\"><label for=\"a6t-densite-parasitaire-wbcCounted\">Leucocytes compt\u00e9s en m\u00eame temps<\/label><input id=\"a6t-densite-parasitaire-wbcCounted\" name=\"wbcCounted\" type=\"text\" inputmode=\"numeric\" autocomplete=\"off\" spellcheck=\"false\" value=\"200\" aria-describedby=\"a6t-densite-parasitaire-wbcCounted-hint a6t-densite-parasitaire-wbcCounted-err\" aria-required=\"true\"><span class=\"hint\" id=\"a6t-densite-parasitaire-wbcCounted-hint\">200 ; 500 si moins de 100 parasites pour 200 leucocytes.<\/span><span class=\"error\" id=\"a6t-densite-parasitaire-wbcCounted-err\" data-a6t-err-for=\"wbcCounted\" aria-live=\"polite\"><\/span><\/div><div class=\"field a6t-field\"><label for=\"a6t-densite-parasitaire-wbcPerUl\">Leucocytes du patient (\/\u00b5L) \u2014 facultatif<\/label><input id=\"a6t-densite-parasitaire-wbcPerUl\" name=\"wbcPerUl\" type=\"text\" inputmode=\"decimal\" autocomplete=\"off\" spellcheck=\"false\" value=\"\" aria-describedby=\"a6t-densite-parasitaire-wbcPerUl-hint a6t-densite-parasitaire-wbcPerUl-err\"><span class=\"hint\" id=\"a6t-densite-parasitaire-wbcPerUl-hint\">\u00c0 d\u00e9faut, valeur conventionnelle de 8 000\/\u00b5L.<\/span><span class=\"error\" id=\"a6t-densite-parasitaire-wbcPerUl-err\" data-a6t-err-for=\"wbcPerUl\" aria-live=\"polite\"><\/span><\/div>\t\t\t\t<div class=\"a6t-actions\">\n\t\t\t\t\t<button type=\"submit\" class=\"btn btn-primary\">Calculer<\/button>\n\t\t\t\t\t<button type=\"reset\" class=\"btn btn-ghost\">R\u00e9initialiser<\/button>\n\t\t\t\t\t<button type=\"button\" class=\"a6t-linkbtn\" data-a6t-example>Essayer l\u2019exemple<\/button>\n\t\t\t\t<\/div>\n\t\t\t<\/fieldset>\n\t\t\t<p class=\"error a6t-formerror\" data-a6t-err-for=\"_\" role=\"alert\"><\/p>\n\n\t\t\t<div class=\"calc-result a6t-result\" role=\"status\" aria-live=\"polite\" tabindex=\"-1\" hidden>\n\t\t\t\t<div class=\"a6t-main\"><\/div>\n\t\t\t\t<ul class=\"a6t-lines\"><\/ul>\n\t\t\t\t<div class=\"a6t-chart\"><\/div>\n\t\t\t\t<div class=\"a6t-table\"><\/div>\n\t\t\t\t<p class=\"a6t-formula\"><\/p>\n\t\t\t\t<ul class=\"a6t-notes\"><\/ul>\n\t\t\t\t<p class=\"hint\">R\u00e9sultat indicatif, \u00e0 interpr\u00e9ter par un professionnel de sant\u00e9.<\/p>\n\t\t\t\t<div class=\"a6t-result-actions\">\n\t\t\t\t\t<button type=\"button\" class=\"btn btn-ghost\" data-a6t-copy>Copier le r\u00e9sultat<\/button>\n\t\t\t\t\t<span class=\"a6t-copied\" aria-live=\"polite\"><\/span>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\n\t\t\t<noscript><p class=\"notice\">Ce calculateur fonctionne dans votre navigateur et n\u00e9cessite JavaScript. La formule et un exemple sont d\u00e9taill\u00e9s ci-dessous.<\/p><\/noscript>\n\t\t\t<script type=\"application\/json\" class=\"a6t-example-data\">{\"parasites\":\"120\",\"wbcCounted\":\"200\"}<\/script>\n\t\t<\/form>\n\n\t\t<div class=\"a6t-doc\">\n\t\t\t<h3>Formule<\/h3>\n\t\t\t<div class=\"a6t-formula-box\"><p>Parasites\/\u00b5L = parasites compt\u00e9s \u00d7 leucocytes\/\u00b5L \/ leucocytes compt\u00e9s<\/p><\/div>\n\n\t\t\t<h3>Unit\u00e9s<\/h3>\n\t\t\t<p>Nombres entiers ; leucocytes du patient en \/\u00b5L (1 G\/L = 1 000\/\u00b5L).<\/p>\n\n\t\t\t<h3>Exemple<\/h3>\n\t\t\t<p>120 parasites pour 200 leucocytes, leucocytes du patient inconnus : 120 \u00d7 8 000 \/ 200 = 4 800 parasites\/\u00b5L.<\/p>\n\n\t\t\t<h3>Limites<\/h3>\n\t\t\t<ul>\n\t\t\t\t\t\t\t\t\t<li>La valeur conventionnelle de 8 000 leucocytes\/\u00b5L peut surestimer la densit\u00e9 chez l\u2019adulte : utilisez la num\u00e9ration r\u00e9elle quand elle est disponible.<\/li>\n\t\t\t\t\t\t\t\t\t<li>R\u00e9serv\u00e9 \u00e0 la goutte \u00e9paisse. Un frottis mince (pourcentage d\u2019h\u00e9maties parasit\u00e9es) suit un autre protocole.<\/li>\n\t\t\t\t\t\t\t\t\t<li>La gravit\u00e9 du paludisme s\u2019\u00e9value sur des crit\u00e8res cliniques et biologiques, pas sur la densit\u00e9 seule.<\/li>\n\t\t\t\t\t\t\t<\/ul>\n\n\t\t\t<h3>R\u00e9f\u00e9rences<\/h3>\n\t\t\t<ol class=\"a6t-refs\">\n\t\t\t\t\t\t\t\t\t<li>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/www.who.int\/publications\/i\/item\/9241547820\" rel=\"noopener\" target=\"_blank\">OMS. Basic Malaria Microscopy. Part I: Learner\u2019s guide. 2e \u00e9d. Gen\u00e8ve : OMS ; 2010.<\/a>\n\t\t\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t\t<li>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/pmc.ncbi.nlm.nih.gov\/articles\/PMC4755855\/\" rel=\"noopener\" target=\"_blank\">\u00c9tude sur la valeur conventionnelle de 8 000 leucocytes\/\u00b5L pour la densit\u00e9 parasitaire (Malaria Journal, PMC4755855).<\/a>\n\t\t\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t<\/ol>\n\t\t\t<p class=\"a6t-verified\">Formule v\u00e9rifi\u00e9e par rapport aux r\u00e9f\u00e9rences ci-dessus le 12 octobre 2026.<\/p>\n\t\t<\/div>\n\t<\/section>\n\t<aside class=\"box box-warning a6t-disclaimer\" role=\"note\"><strong>Avertissement :<\/strong> ces outils sont p\u00e9dagogiques. Les calculs sont effectu\u00e9s dans votre navigateur ; aucune valeur n\u2019est enregistr\u00e9e ni transmise. Ils ne posent pas de diagnostic et ne remplacent pas l\u2019avis d\u2019un m\u00e9decin, d\u2019un biologiste ou d\u2019un pharmacien.<\/aside><nav class=\"a6t-related\" aria-labelledby=\"a6t-rel-microbiologie\"><h2 id=\"a6t-rel-microbiologie\">Outils associ\u00e9s<\/h2><ul><li><a href=\"https:\/\/avo6.com\/?page_id=851\">Calculs de dilution<\/a><\/li><li><a href=\"https:\/\/avo6.com\/?page_id=865\">Biologie mol\u00e9culaire : ADN, ARN et PCR<\/a><\/li><li><a href=\"https:\/\/avo6.com\/?page_id=857\">Tous les outils de biologie m\u00e9dicale<\/a><\/li><\/ul><\/nav><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Num\u00e9rations bact\u00e9riennes \u00e0 partir des colonies, conversions d\u2019unit\u00e9s de num\u00e9ration et densit\u00e9 parasitaire du paludisme selon la m\u00e9thode de l\u2019OMS. Les seuils d\u2019interpr\u00e9tation rel\u00e8vent\u2026<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"footnotes":""},"class_list":["post-863","page","type-page","status-publish","hentry"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - aioseo.com -->\n\t<meta name=\"description\" content=\"Num\u00e9rations bact\u00e9riennes \u00e0 partir des colonies, conversions d\u2019unit\u00e9s de num\u00e9ration et densit\u00e9 parasitaire du paludisme selon la m\u00e9thode de l\u2019OMS. 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