There are many Hindu religious festivals around the world. Festivals usually celebrate events in Hindu mythology, usually in line with seasonal changes.
The Star of Bethlehem, or Christmas Star, appears only in the nativity story of the Gospel of Matthew where "wise men from the East" are inspired by the star to travel to Jerusalem.
Masks are effective only when used in combination with frequent hand-cleaning with alcohol-based hand rub or soap and water. The correct way to wear and dispose of masks.