Standard recommendations to prevent infection spread include regular hand washing, covering mouth and nose when coughing and sneezing, thoroughly cooking meat and eggs.
The four-leaf clover is a rare variation of the common three-leaf clover. According to traditional superstition, such clovers bring good luck, though it is not clear when or how this superstition began.
Holi is popularly known as the Indian "festival of spring", the "festival of colours", or the "festival of love".
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.