• 29 new guides, including tornadoes, power outages, fallen power lines, suspected heart attack, anaphylaxis, carbon monoxide poisoning and tire blowouts
• Over 200 existing guides revised after checking them against official sources such as the CDC, FEMA and Korea's Ministry of the Interior and Safety
• 31 guides removed that had no official source, contradicted official advice or duplicated another guide (314 guides now)
• Civil defense alert guides updated to Korea's current alert regulation