Trump is seemingly ignoring the aftereffects of the storm in his tweet and focusing only on deaths attributable to things like flying debris, drowning and structures that collapse. That is only an estimate, however, since they did not study how each individual died, although they hope to conduct that study in the future. "My only consideration was the well-being of the Puerto Rican people".
But just after he left Puerto Rico Gov. Ricardo Rossello updated the death toll to 34, almost doubling it, saying 19 people died as a direct result of the storm and the others died as an indirect result.
"3000 people did not die in the two hurricanes that hit Puerto Rico", Trump said in a tweet.
That includes one report that estimated the death toll was 2,975 - a figure that the government of Puerto Rico has adopted as the official count.
Hostin blamed the Jones Act, saying it allowed the USA government to "pillage and rape" the island since its inception in 1920, before asking why Trump didn't have an equal reaction to Maria as President Obama did to Haiti, which isn't even a US territory.
"When I left the Island, after the storm had hit, they had anywhere from 6 to 18 deaths", Trump tweeted.
The emergency response to Maria became highly politicized as the Trump administration was criticised as being slow to recognise the extent of the devastation and too sluggish in providing disaster relief to Puerto Rico, an island of more than 3 million residents. She said he had no idea what is going on there and that Trump has "no empathy" for anything that doesn't make him look good. If a person died for any reason, like old age, just add them onto the list.
In a statement, the institute said it would "stand by the science underlying our study".
That finding wasn't the result of a traditional death-toll accounting, but a public health study that compared mortality in the six months following the storm with the number of deaths that would have been expected if it had not hit the island. "We try to reach the truth, and we try to understand what is damaging the people in order to prevent disease", he said.
San Juan Mayor Carmen Yulín Cruz, a Democrat who has sparred with the president, tweeted that "Trump is so vain he thinks this is about him".
A team of researchers at Harvard University announced in May that they believed Hurricane Maria's death toll was 4,600. While Cora acknowledged the government helped Puerto Rico, he questioned whether it did enough.
No one suggests that Trump was primarily responsible for the deaths in Puerto Rico.
Sunny Hostin, who is of Puerto Rican descent, was not having it.