Psittacosis known serovars. All should be considered to be readily transmissible to humans. "C. psittaci" serovar A is endemic among psittacine birds and has caused sporadic zoonotic disease in humans, other mammals, and tortoises. Serovar B is endemic among pigeons, has been isolated from turkeys, and has also been identified as the cause of abortion in a dairy herd. Serovars C and D are occupational hazards for slaughterhouse workers and for people in contact with birds. Serovar E isolates (known as Cal-10, MP, or MN) have been obtained from a variety of avian hosts worldwide, and although they were associated with
Contagious (novel) Contagious (novel) Contagious is a science fiction thriller novel by Scott Sigler. It is the sequel to Sigler's "Infected", and like its predecessor was released in both podcast and print versions. "Contagious" continues the story of 2008's "Infected", predominantly following characters Perry Dawsey and Margaret Montoya as they attempt to stop an alien infestation of 'hatchlings'. Dawsey, former Michigan linebacker, has survived the events in "Infected", but remains telepathically linked to the aliens. His insight into the aliens' behaviors help the government hunt them down, and Dawsey is forced to participate. Critical reception for "Contagious" was mostly positive, with author