"It was over. Over. 90 percent dead, Ten percent alive. Coronavirus tore my whole body up," Rick Hooks said.
Dozens of potential COVID-19 vaccines are in development around the world, but the World Health Organization said there may never be a "silver bullet" cure.
Hydroxychloroquine has been touted as a treatment and preventative measure for COVID-19 by President Donald Trump.
The WHO's director-general said Thursday the politics surrounding the virus "have made things worse."
Mike Pompeo is said to have told MPs that the WHO was a "political, not a science-based organisation".
"We are writing to underscore the vast importance of human challenge trials as a method to help develop vaccines," an open letter signed by more than 120 scientists read.
"Risk for getting plague is extremely low as long as precautions are taken," according to a statement from Colorado health officials, which also provided a list of safety measures that stressed the importance of staying away from wild animals.
Melita Vujnovic was discussing reports the virus had been found in wastewater long before the first cases were reported.
There are at least 160 potential novel coronavirus vaccines in development in the U.S., Europe, China and Australia.
Kazakhstan officials have dismissed the reports as "fake news."
"When you're out in public, please wear a mask," Nye said.
The remarks could be viewed as a thinly veiled response to the Trump administration's decision to withdraw from the U.N. health agency.
The president has spent months downplaying the severity of the virus, which has claimed the lives of more than 66,000 people in Brazil.
The vice president said the global health body had provided "ill-fated" advice on handling the coronavirus outbreak.
Senator Lamar Alexander, chair of the Senate health committee, warned that America's withdrawal from the group could impede the world's quest for a coronavirus vaccine.
"This won't protect American lives or interests—it leaves Americans sick & America alone," Senator Bob Menendez, a ranking member of the Senate Foreign Relations Committee, said.
Mike Ryan, executive director of the WHO's Health Emergencies Program, said Jair Bolsonaro's test result showed the virus doesn't care if a person is a "prince or a pauper."
239 scientists from 32 countries signed a commentary entitled, "It is Time to Address Airborne Transmission of COVID-19."
Admiral Brett Giroir said he hasn't been recalled from his position on the WHO's executive board.
Scientists collected viruses from pigs in China and found a new form of swine flu.
"The hard reality is, this is not even close to being over," said WHO Director-General Tedros Adhanom Ghebreyesus on Monday.
The United States is the world's worst-hit country with more than 2.5 million confirmed cases and over 125,000 deaths.
"We have an urgent responsibility to do everything we can, with the tools we have now, to suppress transmission and save lives," the WHO chief said.
Most of the 183,020 new cases reported on June 21 were in the Americas.
Countries reported more than 150,000 new virus cases to the World Health Organization over the last day, setting a new record for single-day increases.
Scientists have questioned the use of immunity passports if protection from re-infection after catching the coronavirus isn't guaranteed.
Trump made the comments while speaking about a potential vaccine against the coronavirus.
The virus may travel as aerosolized particles which risk landing on surfaces or being breathed in.