Current viruses fall into 2 geographically separate clades.
The virus may have been introduced multiple times, and environmental spread seems to have played a bigger role than did farming.
The 10 cases, 2 of which were fatal, are an increase from 5 reported last week.
A study involving rhesus macaques suggests that pre-existing dengue virus immunity does not result in more severe Zika disease, the second study this week to report this type of finding.
Researchers have found no elevated risk of autism in babies born to woman in Norway infected with influenza during pregnancy, a study yesterday in mSphere reported.
The Saudi Arabian Ministry of Health (MOH) confirmed the diagnosis of three new cases of MERS-CoV in recent days, including one case in an asymptomatic healthcare worker at a hospital in Riyadh. At least three hospitals in Riyadh have reported MERS outbreaks this month.
Today the Saudi Arabian Ministry of Health (MOH) reported a new case of MERS-CoV related to ongoing outbreaks in three Riyadh hospitals.
A 68-year-old male expatriate who had preexisting disease has died from MERS-CoV (Middle East respiratory syndrome coronavirus). He acquired the virus as a patient in a hospital.
Researchers looking for mutations that might make H7N9 avian influenza more easily transmissible among people identified three amino acid changes that would make the virus more likely to bind to human airway receptors. A team of researchers from the United States, including those from The Scripps Research Institute, and the Netherlands reported its findings today in PLoS Pathogens.
In addition, Korea, Zimbabwe, and Luxembourg note H5N8, and Libya confirms H7.
Hong Kong's Centre for Health Protection confirms 12 H7N9 cases reported this week.