How does Zika spread? Not by kissing, according to researchers
However, there's one piece of development: scientists have found that unlike thought earlier, saliva isn't a carrier of the virus; it mainly spreads through sex and mosquito bites.
Now you can kiss, share cutlery and more without worrying (much) about getting infected. But should you?
The many ways Zika does NOT spread
Researches conducted experiments on macaque monkeys
To check if saliva helps in spreading the virus, a team consisting Thomas Friedrich of Wisconsin University designed two experiments.
In one, they applied the virus directly to the tonsils of three macaque monkeys: all three were infected.
Next, they took saliva samples from infected monkeys and applied the saliva to the tonsils of five healthy ones.
None was infected.
The one time the results won't apply, according to researchers
"The only time this wouldn't apply is if the person had an extremely high amount of virus in their body," Friedrich said. Only one such case is known: when a man in Utah, with 100,000 times greater concentration of Zika than most, infected his son.
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So is oral sex safe too?
The virus stays in saliva for two weeks, but in breast milk and sperm for months. "So transmission by oral sex or breastfeeding is possible," Friedrich said.
In fact, the team found that saliva might fight the virus with anti-microbial action.
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