Every historical period has had its epidemic executioner, and it has almost always been the ecological changes between human communities and the environment that have caused changes in pathogenicity and epidemic diseases.
The problem with the handling of COVID-19 in the United States has been more political than public health-related. When a country has a president who «didn’t know» and thought that «most people didn’t know» that the flu can kill people, what can be expected in terms of the handling of a pandemic?
Most probably, the current coronavirus1 pandemic represents the uncertain epilogue of an epidemiological period marked by the renewed prominence of the infectious disease in the last decades of the twentieth century
Knowing the detailed genomes of viruses and their phylogenies allows us to understand the origin of the outbreak. Was it a zoonosis from bats or were other hosts involved? Where did this fatal transition occur? What is the rate of change of the virus?
L’al·lèrgia és una patologia clínica que pateixen alguns individus i que es desenvolupen front a molècules inofensives (és a dir, que no són tòxiques ni infeccioses) anomenades al·lèrgens. L’al·lergen provoca una resposta immunitària de l’organisme, que és l’autèntica causant dels danys i la simptomatologia de l’al·lèrgia.
There are numerous causes for eye redness, and many of them are not serious. Begoña Domenech Amigot, professor of the Department of Optics, Pharmacology, and Anatomy of the University of Alacant, explains.