The advisory identifies infants, children, pregnant women, elderly individuals, outdoor workers, and those with chronic illnesses as particularly vulnerable to heatwave conditions. Heat-related illnesses, if untreated, can lead to severe health complications, including heatstroke, which requires immediate medical attention. Public gatherings, workplaces, and outdoor activities are also at risk, necessitating measures such as shaded rest areas, hydration breaks, and awareness campaigns to prevent heat stress.