Coronavirus disease (COVID-19) is an infectious disease caused by a newly discovered coronavirus.
Winter is the coldest season of the year in polar and temperate zones (winter does not occur in most of the tropical zone). It occurs after autumn and before spring in each year.
Santa Claus's flying reindeer also provide assistance with pulling his sleigh. He is commonly portrayed as living at the North Pole, and laughing in a way that sounds like "ho ho ho".
The Independence Day of Brazil, commonly called Sete de Setembro, is a national holiday observed in Brazil on 7 September of every year.