Respuesta :

Increase in demand:
1. Increased awareness about the importance of hand hygiene during the COVID-19 pandemic led to a surge in demand for hand sanitizers as people sought to protect themselves from the virus.

Decrease in demand:
1. As COVID-19 restrictions eased and vaccination rates increased, there was a decrease in demand for hand sanitizers as people felt less anxious about the spread of the virus and relied less on preventive measures like frequent hand sanitizing.






I think the reason why the change occurred is : Increase in demand:
The surge in demand for hand sanitizers during the COVID-19 pandemic was driven by heightened awareness of the importance of hand hygiene in preventing the spread of the virus.

Decrease in demand:
The decrease in demand for hand sanitizers occurred as COVID-19 restrictions were lifted and vaccination rates increased, leading to decreased anxiety about the virus and reduced reliance on preventive measures.