The most overlooked issue in a SHTF scenario will be the threats that we cannot see. You will be very vulnerable if you are not prepared for safety and sanitation along with well rehearsed personal hygiene practices. This article is another example of the importance of understanding and preparing for pathogens. The author offers a great explanation of what the basic pathogens are capable of. They caninfect your body in a number of different ways.
There is also a great product highlighted in the article as well. If you are looking for a waterless hygiene solution for your bugout bag or even for your home in the event of a disaster you will want to read this article. There are some great pieces of advice on the importance of post SHTF hygiene. This is a topic that needs even more exploration.