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.
Scientists looked at the blood samples of 177 people who had caught the coronavirus which causes COVID-19.
Healthcare workers and those vulnerable to severe COVID-19 should be prioritized, experts say.
The receptor that the coronavirus uses to enter our bodies is found in organs that play a key role in the metabolism.
Department of Health and Human Services Secretary Alex Azar told reporters on Friday that the "World Health Organization has failed in its responsibilities to demand accountability under the international health regulations."
The survey, involving almost 300 white Americans, also found democrats were more likely to see Chinese people as a threat.
Over 100 potential COVID-19 vaccines are currently under development.
The study involved over 750,000 people, according to biotech company 23andMe.
"Some people who are asymptomatic, or some people who don't have symptoms, can transmit the virus on," the World Health Organization's Dr. Maria Van Kerkhove said Tuesday.