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However, as HIV-2 and group O infections are extremely rare in most countries, routine screening programs might not be designed to test for them. Anyone who believes they may have contracted HIV-2, HIV-1 group O or one of the rarer subtypes of group M should seek expert advice.“quote from“http://www.avert.org/hiv-types.htm”

and some article shows that there may be false negative result of type O

so in case of that,should I test more times using EIA test? and if virus mutation happens,can EIA test it too?
"routine screening programs might not be designed to test for them." how could I know if the test is designed to that?
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1508374 tn?1380808510
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Who has an answer for this did everyone stop to take a break?
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