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Showing posts from July 30, 2016

North America Has Only 1 True Species of Wolf, DNA Shows

DNA tests of wolves across North America suggest that there is just one species of the canid: the gray wolf. What's more, populations of red wolves and eastern wolves, thought to be distinct species, are actually just hybrids of gray wolves and coyotes that likely emerged in the last couple hundred years, the study found. The findings, published in the journal Science Advances on Wednesday (July 27), could have implications for the conservation of wolves considered endangered in the United States, the researchers say.


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4 Florida Zika Cases Were Likely Contracted in the US, Officials Say

Three men and a woman in Florida became infected with the Zika virus, likely after being bitten by mosquitoes in the area, officials said today (July 29). The cases, which are in Miami-Dade and Broward counties, mark the first time that anyone has caught Zika from mosquitoes in the United States. The patients did not travel to another country where Zika is spreading, and did not have sex with a person who had Zika, ruling out these routes of transmission, officials said.

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Fungal Disease 'Valley Fever' Is Often Misdiagnosed

A fungal infection called valley fever, which can cause mild to severe lung problems (including holes in the lungs), is often misdiagnosed because the symptoms can resemble those of the flu or other illness, experts say. The misdiagnoses can lead to unnecessary medications that don't treat the fungal infection, according to new guidelines from the Infectious Diseases Society of America. The guidelines stress that primary care doctors should consider the possibility of valley fever in patients who have pneumonia or continuing flu-like symptoms if they live in or have visited the western or southwestern United States, where the fungus is found naturally in the soil.

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