Many people have seen dogs fetch, but cats like to get into the game too. Despite their very different hunting and play styles, fetching appears to combine elements of predatory and social behavior for both species.
Although their domestication histories and natural behaviors are very different, cats and dogs share many similarities. Both...
The long-term effects of respiratory viral infections such as COVID-19 are a major public health burden. Some estimates suggest over 65 million people[1] around the world suffer from long COVID-19.
Efforts to better understand this condition, however, have been hampered by its ability to affect multiple organ systems[2], such as those involving...
When the World Health Organization declared COVID-19 a pandemic[1] on March 11, 2020, humans had been the only species with reported cases of the disease. While early genetic analyses pointed to horseshoe bats[2] as the evolutionary hosts of SARS-CoV-2, the virus that causes COVID-19, no reports had yet surfaced indicating it could be...
Nineteen-year-old U.S. Army Pvt. David Lewis set out from Fort Dix on a 50-mile hike with his unit on Feb. 5, 1976. On that bitter cold day, he collapsed and died. Autopsy specimens unexpectedly tested positive for an H1N1 swine influenza virus[1].
Virus disease surveillance at Fort Dix found another 13 cases among recruits who had been...