By Jennifer Rigby and Shubhendu Deshmukh (Reuters) -The World Health Organization on Thursday said several contaminated syrups and suspension medicines had been identified in countries in the WHO regions of the Americas, the Eastern Mediterranean, South-East Asia and the Western Pacific. The affected products were manufactured by Pharmix Laboratories in Pakistan, the WHO said, and were first identified in the Maldives and Pakistan. Some of the tainted products have also been found in Belize, Fiji and Laos. Pharmix was not immediately available for comment. The medicines, liquids containing act…