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A mankind in San Diego was infected with the vaccinia virus — the computer virus in the smallpox vaccine — in June , 2012 after have intimate contact with someone who ’d lately been immunise , according to a new report from the Centers for Disease Control and Prevention .
What ’s more , the infected man also passed the virus along to another unvaccinated individual during sexual activity , a phenomenon known as tertiary transmission system , the report enunciate .
The smallpox vaccine contains the lively vaccinia virus , which is exchangeable tosmallpoxbut does n’t actually make the disease . In 1972 , the United States stopped vaccinate member of the populace against variola because the disease had been eradicated . However , in 2002 , the Department of Defense take up smallpox vaccination for its military personnel and civilian employee .
Because the vaccine contains alive virus , it can cause symptoms in vaccinated people , and the computer virus can circularise to others . People can become infect with the vaccinia virus if they touch the vaccination site on a person who has been immunize , or if they fall into inter-group communication with clothing that has been contaminate with the computer virus . symptom of a vaccinia virus infection include a blizzard , a fever , and head and body aches , accord to the CDC .
Since 2002 , there have been 115 paper of vaccinia virus transmission system between vaccinated and unvaccinated people , according to a review print in 2011 . Most transmissions go on through intimate contact , such as sexual sex act , or inter-group communication between a female parent and child . There have also been reports of transmitting at gymnasium .
The new case is the first to report third transmitting through gender , the researchers enunciate .
The first man became infected when he had sex with a recently vaccinated human being who did not keep his vaccination website in good order covered . The man who became infect spring up a rash in his anal domain and on his mouth , and experienced fever , fatigue and sickness . When the infected man later had sex with a different military personnel , the third individual also caught the disease , and developed a roseola on his phallus and forearm .
Both infected humans were treated with vaccinia resistant globulin ( antibodies , gain from people already vaccinated against the disease , that fight the transmission ) , and both recuperate within a few weeks . Because the unvaccinated men were infected with thevaccinia virus , they are now resistant to smallpox , said study researcher Rachael Joseph of the CDC ’s Epidemic Intelligence Service .
The survey highlights the potential drop for the vaccinia virus to unfold beyond the prompt contacts of a person who has been vaccinate , the researchers said . It also underscores the grandness of cover the vaccination web site , as immunized people are instructed to do .
The account is published this week in the CDC ’s Morbidity and Mortality Weekly Report .
fade it on : The computer virus in the smallpox vaccinum can spread to others if precautions are n’t take .
