For the first time since 1976, a strain of influenza virus - apparently related to the 1918-19 pandemic - has infected the public. More than 1,000 cases have been reported in Mexico, with over 80 deaths. And the disease has now spread to several areas within the United States and to New Zealand. The virus has been identified by the American Centres for Disease Control and Prevention (CDC) as type H1N1, containing a mixture of swine, avian and human genetic material.
This outbreak of influenza is viewed with alarm by public health workers. First, because the earlier pandemic was so deadly; second, because this is the first clear demonstration of human-to-human spread of the infection; and third, because it apparently started its spread after the normal "flu season" in the northern hemisphere.… Seguir leyendo »