le dimanche 29 juillet 2018, à 07:23. Posté
par Cornell
Where do you study? http://bohoclany.hu/farmaciamagistralcomco-9cdf.pdf anabolni-steroidi.org Because the two tests look for antibodies, they can give false negative results during the first few weeks after exposure to the bacterium -- a window of time during which the body is still mounting its response to the infection. That's why the tests should be performed four to six weeks after a tick bite.