1 Although any individual may develop a case of pinworms, the infection occurs most frequently in school children between 5 to 10 years of age.  Pinworm infections occur in all socioeconomic groups; however, human-to-human spread is favored by close, crowded living conditions. Spread among family members is common.
Before they start collecting, stamp collectors try to identify the types of stamps. These will help them segregate and sort stamps according to their classification. On its basic concept, there are three main classifications of stamps â special, commemorative, and definitive.
Here Is Your New Muslim Postage Stamp, America. Itâs a brand new year, America, and the U.S. Postal Service has just introduced its annual batch of 2016 stamps. Among the stamps is a purple-and-gold stamp celebrating the two most significant festivals in Islam: Eid al-Fitr and Eid al-Adha.