Pathfinder
Editor, Senior Moderator
Can you get Zika twice? Or are you immune?
by Sandee LaMotte, CNN
Updated 9:16 AM ET, Wed June 29, 2016
(CNN)Once you've had Zika, can you get it again? Scientists don't think so, but it's never been proved. Researchers from the University of Wisconsin say they are one step closer to answering that question after studying how the virus affects rhesus macaque monkeys.
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"When we gave the same virus back to the animals, there was no sign of disease in their blood," said biologist Dawn Dudley, another author of the study. "We saw complete protection for up to 28 days following the exposure."
"And it goes down to zero levels or at least below our threshold of detection," added co-author David O'Connor, chairman of the Global Infectious Disease division of the Wisconsin National Primate Research Center.
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"It's pretty solid evidence that the initial infection provides some protection from reinfection from either strain," he said. "The reason I'm hedging that a little bit is because we don't know how long. It could be a year; it could be three years, five years. It could be lifetime immunity. We just don't know right now, and the studies are so new that we can't have that data yet."
...
http://www.cnn.com/2016/06/29/healt...6zika-immunity0150PMStoryLink&linkId=26037713
by Sandee LaMotte, CNN
Updated 9:16 AM ET, Wed June 29, 2016
(CNN)Once you've had Zika, can you get it again? Scientists don't think so, but it's never been proved. Researchers from the University of Wisconsin say they are one step closer to answering that question after studying how the virus affects rhesus macaque monkeys.
...
"When we gave the same virus back to the animals, there was no sign of disease in their blood," said biologist Dawn Dudley, another author of the study. "We saw complete protection for up to 28 days following the exposure."
"And it goes down to zero levels or at least below our threshold of detection," added co-author David O'Connor, chairman of the Global Infectious Disease division of the Wisconsin National Primate Research Center.
...
"It's pretty solid evidence that the initial infection provides some protection from reinfection from either strain," he said. "The reason I'm hedging that a little bit is because we don't know how long. It could be a year; it could be three years, five years. It could be lifetime immunity. We just don't know right now, and the studies are so new that we can't have that data yet."
...
http://www.cnn.com/2016/06/29/healt...6zika-immunity0150PMStoryLink&linkId=26037713