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Weekly wrap-up: Humanitarian aid in Haiti aims to help prevent Cholera epidemic following Matthew; Historic flooding kills 22 in North Carolina

Hurricane Matthew was officially downgraded to a tropical rainstorm on Sunday as it moved out to sea from the mid-Atlantic coast. However, parts of the Caribbean and southeastern United States felt lingering impacts from Matthew throughout the week.

Major flooding continued along many rivers in eastern North and South Carolina into the end of the week despite rain-free weather.

In the town of Lumberton, North Carolina, 1,500 people were stranded due to the flooding, warranting large-scale rescue efforts. As of Thursday, more than 2,300 people have been rescued by swift water rescue teams in North Carolina.

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Hurricane Matthew killed at least 38 people in the U.S., ABC news reported. Twenty of 22 storm-related fatalities reported in North Carolina were due to drowning.

There were more than 800,000 North Carolinians without power on Sunday, but that number had decreased to nearly 48,000 by Thursday. More than 3,400 people were staying in 43 shelters statewide.

Contaminated waters were also a problem for thousands of North Carolina residents and officials warned them to avoid the waters until they receded. Thirty-four school districts remained closed on Wednesday and the state court system was paralyzed, North Carolina Governor, Pat McCrory, said.

Workers with the City of Lumberton use boats to travel down West 5th Street to the city's water treatment plant through floodwaters caused by rain from Hurricane Matthew in Lumberton, N.C., Wednesday, Oct. 12, 2016. Authorities planned to go door-to-door in some areas, telling people to escape to higher ground from flooding triggered by heavy rain from Matthew. (AP Photo/Mike Spencer)

The Caribbean island Haiti also remained in crisis after being hit by Matthew over a week ago. Haiti's National Civil Protection Agency reported that the death toll is at 473, but Reuters said the death toll has surpassed 1,000. The government's count is slower, because they must physically visit each village to confirm the numbers, according to Reuters.

There are more than 1.3 million in need of emergency aid in Haiti and the United Nations is aiding the country with $120 million. Relief agencies are racing to deliver supplies, such as food, water, hygiene kits and medical help, across the island.

On Tuesday, the World Health Organization (WHO) announced that it was sending one million cholera vaccine doses to Haiti, after a rising number of cases following Matthew. The flooding caused by the storm increases the risk of contaminated drinking water that can lead to further spread of the disease.

"We are seriously concerned about an epidemic of cholera, and that's why the Ministry of Health, with our assistance, is taking all measures possible to avoid that happening," Jean Luc Poncelet, a WHO representative in Haiti said in a statement. "Before the hurricane, [Haiti] had serious problems of access to health, water and sanitation and cases of cholera. So when the water supply is interrupted, cholera will increase."

The country's agriculture and fishing industries have been ravaged. The U.N. reports that in northwestern Haiti, 60 to 90 percent of the harvest has been destroyed, while nearly 100 percent of the crops in the southwest were lost. Fishermen have lost boats and fishing materials that were swept away.

Nurse Mardi Rose Guerline adjusts the IV on nine-year-old Franzy Noel as his mother Geraldine Pierre looks on, in a cholera ward in Les Cayes Haiti, Tuesday, Oct. 11, 2016. Health authorities have warned that Hurricane Matthew has created conditions that are likely to cause an increase in the deadly waterborne cholera virus. (AP Photo/Rebecca Blackwell)

Haitian firefighters arrive at the airport from a U.S. helicopter in Jeremie, Haiti, Sunday, Oct. 9, 2016. Aid has begun pouring into the hard-hit town, where thousands of homes were damaged or destroyed and many people were running low on food and facing an increased risk for cholera. (AP Photo/Dieu Nalio Chery)

Nicole became a hurricane for the second time in a week on Tuesday and rapidly intensified into a major Category 4 hurricane late Wednesday night. Nicole joined Matthew as the only two hurricanes to reach Category 4 strength this season in the Atlantic.

Nicole made a direct hit on Bermuda, pounding the island with ferocious winds, drenching downpours and inundating storm surge.

Nicole left behind flooded roadways, downed power lines and buildings with roofs torn off, according to the Royal Gazette. Around midday on Thursday, the Bermuda Electric Light Company reported that more than 27,000 customers, out of 33,000 total, were without power. There were no reports of storm-related fatalities or major injuries.

Only seven major hurricanes have passed within 40 nautical miles of Bermuda since 1851, according to the National Hurricane Center.

Meanwhile, drastic weather contrasts occurred in the U.S. Heavy snow and below-freezing temperatures impacted parts of Montana through midweek, while summerlike heat continued in parts of Texas.

Dunkirk, Montana, set a record low of 3 degrees Fahrenheit Wednesday morning, smashing the record of 14 F set in 2002. Snowfall measured 2.6 inches of in the town on Tuesday, surpassing the previous record of 0.5 of an inch from 1928.

Snow and cooler autumn weather were nowhere to be found in Texas this week as some locations had highs approaching 100. McAllen, Texas, tied the record high of 98 on Wednesday, set in 1969. Amarillo set a record high of 93, breaking the record of 92 set in 1962.

Several AccuWeather meteorologists and staff writers contributed content to this article.