Viruses

Peste des petits ruminants, also known as sheep and goat plague, is highly contagious, affecting small ruminants such as sheep and goats as well as a number of wild species, such as ibex and gazelles. Althought cattle and pigs can...

Poliovirus (PV) is a highly infectious virus that causes polio in humans. PV is primarily spread through infected faeces entering the mouth, consuming contaminated food or water and, less commonly, through infected saliva. People who are infected can transmit the...

Porcine reproductive and respiratory syndrome virus (PRRSV) infects domestic pigs, causing a highly infectious disease, porcine reproductive and respiratory syndrome. Although as little as 10 virions are needed to infect an animal, the virus is not highly contagious. PRRSV spreads...