The outbreak results in massive quarantines and lockdowns. Some subreddits are banned after unsuccessful quarantines. Infected tissue is removed from white pines and strict quarantines of "Ribes" spp. It quarantines detected threats and prompts for user input on how to deal with them. Historically, governments and authorities have relied on quarantines to protect their populations. Meanwhile, the CDC quarantines the city with the advancement of the virus. On 30 July, the government began to deploy troops to enforce quarantines. It indicated a system of quarantines, hospitalization, clean water, and proper sewage disposal. Many regions effectively established local quarantines some of which was ended later. While International Space Control quarantines the Moonbase, the Doctor starts to investigate. Yates quarantines the city, and puts Lasseter and Mike's pictures on the local news. After a chemical plant explodes, the military quarantines the surrounding area. At other times, trade demands led to broken quarantines.