Analysis of information sources in references of the Wikipedia article "Cloth filter" in English language version.
The Carter Center distributes cloth filters and plastic drinking pipes with gauze at one end to block the larvae.
More than 278,000 cloth filters for household use in preventing the infection were distributed in Sudan in 1995 (compared with 93,000 the year before), and approximately 600,000 or more have been distributed each year since then. In 2001, however, in addition to distributing nearly 850,000 filters for household use, more than 7.8 million pipe filters were also distributed throughout endemic areas ....
More than 278,000 cloth filters for household use in preventing the infection were distributed in Sudan in 1995 (compared with 93,000 the year before), and approximately 600,000 or more have been distributed each year since then. In 2001, however, in addition to distributing nearly 850,000 filters for household use, more than 7.8 million pipe filters were also distributed throughout endemic areas ....
More than 278,000 cloth filters for household use in preventing the infection were distributed in Sudan in 1995 (compared with 93,000 the year before), and approximately 600,000 or more have been distributed each year since then. In 2001, however, in addition to distributing nearly 850,000 filters for household use, more than 7.8 million pipe filters were also distributed throughout endemic areas ....
More than 278,000 cloth filters for household use in preventing the infection were distributed in Sudan in 1995 (compared with 93,000 the year before), and approximately 600,000 or more have been distributed each year since then. In 2001, however, in addition to distributing nearly 850,000 filters for household use, more than 7.8 million pipe filters were also distributed throughout endemic areas ....
