The World Health Organisation reports that rain and subsequent flooding has affected 22 districts, and 20,670 villages across 4.5 million acres of land. It has impacted about 5.35 million people and caused 233 deaths.
Currently, more than two million people are suffering from flood-related diseases, including skin infections, diarrhea and malaria, while more than 7,000 people have been treated for snakebites.
About one quarter of the region's health facilities are inaccessible, submerged by floodwater, or otherwise damaged, while the UN's refugee agency has said the flooding is so bad that some areas will remain under water for six months or more.
However, there are reports that the southern port city of Karachi is showing some signs of returning to normality after the heavy downpours.
Meanwhile, GRACE's volunteers from Badin and Umerkot have reported that some schools whose premises were not flooded have managed to reopen after being closed for two days. But flooding elsewhere in the southern province continues to cause concern.
The UN children's agency spokesman in Pakistan, Dan Rohrman, said it was a serious situation "in particular for children who are always the most vulnerable in emergency situations. This is another huge flood that has hit Pakistan in less than a year so it's really a double disaster. "We have assessed 16 out of 22 districts and roughly 1.8 million people have left their homes and 750,000 are living in temporary sites."
Aid agencies had started to prepare for floods this year because of the devastating floods of 2010, but the scale of the recent flooding was immense, with three times the normal amount of rain.
Government of Pakistan is also using its resources for relief of the flood affectees but it's not enough for what the people in dire needs of support.
The National Disaster Management Authority (NDMA) spokesman said that if the international community failed to provide immediate assistance, the population would be at risk of contracting diseases.
The 2011 flooding in Sindh this is a plight that more than 500,000 children below the age of five. Numerous organisations, including the NDMA and the Sindh provincial government, have been involved in relief and rehabilitation activities.
GRACE Pakistan is looking to global community again to help the communities affected by the recent floods rebuild their lives.
GRACE endeavours to empower and improve the quality of life of the marginalized and vulnerable communities in the least developed parts of Pakistan through welfare, participatory research and development, capacity building, promotion of best practices and partnership building, advocacy, and by launching sustainable and replicable innovative projects.