The US is the worst-hit country by the pandemic with more than 3.1 million cases and almost 133,300 fatalities, according to a running tally by Johns Hopkins University.
"Still some question about aerosol but likely some degree of aerosol", Anthony Fauci, the head of the US National Institute of Allergy and Infectious Diseases, said by video during a panel session at a COVID-19 conference organized by the International AIDS Society.
The President added: 'A lot of mistakes were made, a lot of mistakes.
Authorities have reported alarming upswings of daily caseloads in roughly two dozen states over the past two weeks, a sign that efforts to control transmission of the coronavirus have failed in large swaths of the country.
Overwhelming evidence of Covid-19's effects contradict Trump's statement. Since the beginning of March, the United States has seen over three million cases of coronavirus and more than 130,000 deaths, both numbers are the highest for any country in the world. Former vice-president Joe Biden, who is running against Trump in November, blasted the president's visit. Advertisement Trump aggressively downplayed the threat posed by Covid-19 earlier this month even as infections have surged across the Sunbelt and the West. After Florida, where Trump will also meet with anti-narcotic officials and Venezuelan opposition leaders, he will hold a rally in New Hampshire in the northeast on Saturday. "We are still knee-deep in the first wave of this".
The report quoted Fauci as saying, "Hopefully we'll be able to get some information, such as with this particular one representative vaccine that we started here in January". We went up, never came down to baseline, and now it's surging back up. Experts however say this explanation is inadequate, because the number of people hospitalized and the percentage of people testing positive is also rising in many states.