Petrochemicals uses to protect/prevent diseased animals from spreading the disease to human and animals

How can we use petrochemicals to protect (prevent) infected ( diseased ) animals ?

Protection as means of not spreading the disease and preventing it by the use of petrochemicals. ( detergents and other petrochemicals that might help )

Biological disease ( viruses , bacteria , pathogens )

Details :
Detailed report consisting of 3 pages of information about the topic
What countries are or will use petrochemicals to prevent against diseased animals and deter the spread of the disease.

Name the petrochemicals used based on the research

Finally mention how can we use petrochemicals to get rid of large amount of dead animals( corpse ) instead of using the traditional ways of burning them.