Research led by Penn Vet scientists reveals a new layer of complexity with which the immune system finds a balance between controlling pathogens and protecting healthy tissue.
Highly pathogenic avian influenza (HPAI) H5N1 Eurasian variant (bird flu) has been detected in domestic and wild birds in multiple states within the Atlantic and Mississippi Migratory Flyways.
A report led by Penn Vet's Dr. Elizabeth Lennon and colleagues has confirmed what is believed to be the first published account of the delta variant of SARS-CoV-2 in a house cat.
In humans the pandemic is showing signs of ebbing. In white-tailed deer and other wildlife, however, infections appear widespread.