[Tennessee Nana]

The chikungunya virus — or “chik-v” — has sickened tens of thousands of people throughout the Caribbean with high fever and severe pain. Now Americans are coming down with it, too,
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of course... its highly contagious ...

with tens of 1,000s of illegal aliens coming in from Mexico, Guatemala and Honduras, (all countries on the Caribbean coast) and then being flown all over the country by Obama, there’s no way they are not gong to spread diseases to American citizens ...

[sickoflibs]

RE :’The chikungunya virus — or “chik-v” — has sickened tens of thousands of people throughout the Caribbean with high fever and severe pain. Now Americans are coming down with it, too,
.....
of course... its highly contagious ...”

Its not spread person to person directly, it sounds like the fear is that US mosquitoes might get it from them here and spread it.