All posts tagged “vaccine”

Fast-tracked ebola vaccine is now being tested in West Africa

In the immediate aftermath of the ebola outbreak in West Africa, several drug companies quickly began work on developing a vaccine for the deadly virus. Now, one of those vaccines is undergoing trials in Mali and, if testing goes as planned, it will be deployed in the hardest-hit West African nations in an effort to protect healthcare workers.

Mali has no known ebola cases, though shares a border with Guinea, the nation in which the outbreak began. According to The Guardian, three healthcare workers there have been given the experimental vaccine to test that it has no adverse effects. It’s reported that 37 more workers will receive the vaccine in the coming weeks before it can be used in ebola-stricken nations. The efficacy of the…

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Effective new malaria vaccine offers hope for breakthrough cure

An experimental malaria vaccine called PfSPZ has shown when it was found to have blocked the disease in early clinical trials, according to a new study published by Science magazine on Thursday. Researchers are calling the vaccine a breakthrough while also cautioning that PfSPZ isn’t ready for prime time just yet. The vaccine, which is made using a weakened form of the disease, was administered in varying doses to a group of more than three dozen volunteers. Six people, each of whom were given a full five doses of the vaccine, were unable to contract malaria when exposed to the disease, the study says. This is the first time any vaccine has achieved 100% effectiveness in any trial, researchers report.

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Sudden outbreak of measles linked to vaccine fears in the 1990s

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Fears that vaccines cause autism led to an explosion of measles cases this year in southwest Wales, according The Wall Street Journal. Between November and July, 1,219 people in southwest Wales contracted the measles, compared with 105 cases in all of Wales in 2011, according to the report.

The Journal links the outbreak to a since-discredited 1998 study by the British doctor Andrew Wakefield, who speculated about a link between the vaccine for measles, mumps, and rubella and the growing number of autism cases. The study was heavily covered by the South Wales Evening Post, a local newspaper. By the end of 1998, the number of 2-year-olds who received the vaccine fell by 14 percent, compared with 2.4 percent in the rest of the country.

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