My World Suddenly Changed

I am a poor man struggling at the bottom, living with my sister. The news reports that a new type of influenza is spreading, but no one cares. I was forced to take on the dangerous task of delivering goods into a cordoned off area. During the third panic flight, I rescued a woman who was also trapped. She seemed to know something inside. We hid in a supermarket and used the items on hand to make improvised weapons, and learned that the virus spreads through the air and blood. Tried to contact my sister, but communication was interrupted. Despair and fear begin to spread