Why did typhus spread in the concentration camps?

Typhus spread in concentration camps primarily due to overcrowded living conditions, inadequate sanitation, and lack of medical care. The close quarters facilitated the transmission of lice, the primary vectors for the disease. Additionally, malnutrition weakened the immune systems of inmates, making them more susceptible to infections. The unsanitary environment created a perfect breeding ground for the disease to thrive and spread rapidly among the population.