Two people were found dead in Romania as snow and sub-zero temperatures across much of Europe saw flights cancelled, road and rail transport disrupted and schools closed on Tuesday.
HMC's Dr Rafael Consunji explained that electrical burns and fires are more likely to happen with the incorrect use of electrical appliances for heating, while scald burns most often happen when bathing or cooking with hot liquids.
Moscow authorities battled to clear streets and told children they could skip school as the city was blanketed by its heaviest snowfall in 100 years.
Commuters in Tokyo saw temperatures drop to four degrees below zero on Thursday morning, a level the capital had not seen in 48 years.
Australia endured one of its hottest years on record in 2017, the nation's chief weather service said, while it was the hottest in more than a century for the country's most populous state, New South Wales.
Australia's largest city recorded its hottest day since 1939 as the mercury rose to 47.3 degree Celsius in the western suburb of Penrith.
Street crews dug out snow-clogged roads across the US Northeast on Friday after a powerful blizzard, as temperatures plunged during a brutal cold spell that has already killed at least 18 people.