New polls show tight Clinton-Trump presidential race

Washington, May 28: US President Donald Trump has warned social media giants that his government could "strongly regulate" or "close them down" after Twitter fact-checked one of his tweets for the first time.

"Republicans feel that Social Media Platforms totally silence conservatives voices," Xinhua news agency reported citing Trump as saying in a tweet to his 80 million followers on Wednesday.

"We will strongly regulate, or close them down, before we can ever allow this to happen."

Later in the day, he said that Twitter "has now shown everything we have been saying about them... is correct" and vowed "big action to follow".

The President's remarks came after Twitter slapped a warning label on one of his tweets on Tuesday, cautioning readers "Trump makes unsubstantiated claim that mail-in ballots will lead to voter fraud".

It was in response to Trump's tweet, without providing evidence, said: "There is NO WAY (ZERO!) that Mail-In Ballots will be anything less than substantially fraudulent."

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It is unclear what regulatory steps the president could take without new laws passed by Congress, the BBC reported.

The White House is yet to offer further details.

Earlier, Trump has accused Twitter of interfering in this year's US presidential election scheduled for November, saying the company was "completely stifling free speech, and I, as president, will not allow it to happen".

With more than 52,000 tweets currently to his name, Trump is a prolific tweeter and relies on the platform to disseminate his views to millions of people.

He has used Twitter to launch attacks on opponents, with targets ranging from North Korean leader Kim Jong-un to his political rivals in the US.

In 2017 he used anti-Muslim tweets aimed at London Mayor Sadiq Khan to serve a domestic political purpose of warning about immigration.

Washington, Apr 11: China is considered a developing country, make the United States too a developing one, US President Donald Trump said on Friday, alleging that Beijing has taken advantage of his country.

"China has been unbelievably taken advantage of us and other countries. You know, for instance, they are considered a developing nation. I said well then make us a developing nation too,” Trump told reporters at his daily White House news conference on coronavirus.

The president was responding to a question on China.

“They get big advantages because they are a developing nation. India, a developing nation. The United States is a big developed nation. Well, we have plenty of development to do,” he said.

Reiterating that United States was taken advantage of by the World Trade Organization, Trump said the Chinese economy started booming after it joined WTO with the help of the US.

“If you look at the history of China, it was only since they went into the WTO that they became a rocket ship with their economy. They were flatlined for years and years,” he said.

“Frankly, for many, many decades. And it was only when they came into the WTO that they became a rocket ship because they took advantage of all -- I'm not even blaming them. I'm saying how stupid were the people that stood here and allowed it to happen,” he said.

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The Trump Administration will now allow that to happen, he said.

“If they don't treat us fairly, will leave. But now we're starting to win cases,” he said.

Alleging that China has taken advantage of the United States for 30 years, he said, China has taken advantage of the US through WTO and using rules that are unfair to the United States.

"They should have never been allowed it, this should have never been allowed to happen", he added.

“When China joined and was allowed to join under those circumstances the WTO, that was a very bad day for the United States because they have rules and regulations that were far different and far easier than our rules and regulations,” he said.

“Plus. They took advantage of them down to the last. China took advantage of them like few people would even think to take advantage of them and again they are considered right a developing nation,” he added.

The United States, he rued, is not considered a developing nation.

“The were given advantages (for being a developing nation). For many years China has ripped off the United States. Then I came along and right now, as you know, China is paying 25 percent," said Trump, adding that the US is now gaining "billions and billions and billions of dollars in tariffs from China”.

The US is not paying, he asserted.

“Not every country is China but China would devalue their currency and they would also pour out money and they essentially were paying most of those tariffs not us,” he said.

Beijing:  Around 5,000 people have signed up for the phase I clinical trial of recombinant novel coronavirus vaccine in Chinese city Wuhan where the virus first emerged late last year.

The recruitment for participants ended this week with nearly 5,000 volunteers signing up for the trial, state-run Beijing News reported on Wednesday.

A single-centre, open and dose-escalation phase I clinical trial for recombinant novel coronavirus vaccine (adenoviral vector) will be tested in healthy adults aged between 18 and 60 years, according to the ChiCTR (China Clinical Trial Register).

The trial, led by experts from the Academy of Military Medical Sciences, gained its approval on March 16 and the research is expected to last half a year.

Requiring at least 108 participants, the trial will be conducted in Wuhan, capital of Hubei province, the region worst-affected by the virus in the country, state-run China Daily reported.

Participants will experience 14-day quarantine restrictions after being vaccinated and their health condition will be recorded every day.

Chinese scientists are hastening the development of COVID-19 vaccines through five approaches --- inactivated vaccines, genetic engineering subunit vaccines, adenovirus vector vaccines, nucleic acid vaccines and vaccines using attenuated influenza virus as vectors.

So far, most teams are expected to complete preclinical research in April and some are moving forward faster, Wang Junzhi, an academician with the Chinese Academy of Engineering said.

Wang noted that research and development of COVID-19 vaccines in China is not slower than foreign counterparts and has been carried out in a scientific, standardised and orderly way.

China has stepped up the process to finalise vaccines to counter COVID-19 after Kaiser Permanente research facility in Seattle and Washington stole the march and began human trials.

China lifted tough restrictions on the Hubei province on Wednesday after a months-long lockdown as the country reported no new domestic cases.

But there were another 47 imported infections from overseas, the National Health Commission said. In total, 474 imported infections have been diagnosed in China -- mostly Chinese nationals returning home.