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UN, May 26: Countries could see a "second peak" of coronavirus cases during the first wave of the pandemic if lockdown restrictions were lifted too soon, the World Health Organization (WHO) has warned.

Mike Ryan, the WHO's head of emergencies, told a briefing on Monday that the world was "right in the middle of the first wave", the BBC reported.

He said because the disease was "still on the way up", countries need to be aware that "the disease can jump up at any time".

"We cannot make assumptions that just because the disease is on the way down now that it's going to keep going down," Ryan said.

There would be a number of months to prepare for a second peak, he added.

The stark warning comes as countries around the world start to gradually ease lockdown restrictions, allowing shops to reopen and larger groups of people to gather.

Experts have said that without a vaccine to give people immunity, infections could increase again when social-distancing measures are relaxed.

Ryan said countries where cases are declining should be using this time to develop effective trace-and-test regimes to "ensure that we continue on a downwards trajectory and we don't have an immediate second peak".

Also on Monday, Tedros Adhanom Ghebreyesus, WHO Director-General, said that a clinical trial of hydroxychloroquine (HCQ) on COVID-19 patients has come to "a temporary pause", while the safety data of the the anti-malaria drug was being reviewed.

According to the WHO chief, The Lancet medical journal on May 22 had published an observational study on HCQ and chloroquine and its effects on COVID-19 patients that have been hospitalized, reports Xinhua news agency.

The authors of the study reported that among patients receiving the drug, when used alone or with a macrolide, they estimated a higher mortality rate.

"The Executive Group of the Solidarity Trial, representing 10 of the participating countries, met on Saturday (May 23) and has agreed to review a comprehensive analysis and critical appraisal of all evidence available globally," Tedros said in a virtual press conference.

The developments come as the total number of global COVID-19 cases has increased to 5,508,904, with 346,508 deaths, according to the Johns Hopkins University.

Riyadh, Apr 27: The government of Saudi Arabia has signed a SR995 million (approx. Dh972m) contract with China to provide Covid-19 tests for nine million people in the Kingdom.

The Saudi Press Agency, SPA, reported that the decision came "as a result of a phone call made today (Sunday) between the Custodian of the Two Holy Mosques King Salman bin Abdulaziz Al Saud and Chinese President Xi Jinping."

The contract includes providing necessary equipment and supplies, making available of 500 Chinese specialists and technicians who are specialised in performing tests, establishing six large regional laboratories throughout the Kingdom; including a mobile laboratory with a capacity of performing 10,000 tests per day. Saudi cadres will also be trained to conduct daily tests and comprehensive field tests, under the new agreement

The contract was co-signed by the National Unified Procurement Company and Chinese company Huo-yan Laboratories by Dr. Abdullah Al Rabeeah, Advisor at the Royal Court, on behalf of the Government of Saudi Arabia, and Chinese Ambassador to the Kingdom Chen Weiqing, as a representative of the Chinese Government.

The contract is one of the largest contracts that will provide diagnostic tests for the novel Coronavirus.

Tests were also purchased from several other companies from the United States, Switzerland and South Korea, bringing the number of available tests to 14.5 million, covering around 40 percent of Saudi Arabia's population, SPA added.

Thiruvananthapuram, Apr 21: Not just in China, but in Kerala also robot is now playing a key role in the health workers' fight against COVID-19, thanks to the innovative spirit of a group of young minds and the support of the state Health Department.

Named "Nightingale-19", the robot is deployed to provide food and medicines among patients at the district coronavirus centre in Ancharakandi in Kannur district where a large number of cases have been reported.

The special display facility, attached to it, also allows patients to communicate with health workers and their relatives if necessary, the health minister's office here said.

Designed by the students of Chemberi Vimal Jyothi Engineering College with the support of the Health Department, the remote control-operated robot can carry food and water for at least six persons at a stretch.

Also Read: Pandemic Podcast: How the lockdown is affecting women

The machine, which can travel up to one kilometre, distributes food, water and medicine in each room, a department statement said.

The robot would be disinfected after each use, it said.

Health Minister K K Shailaja inaugurated the new venture from here recently through the robot's video facility, the statement added.

Robots have been put to use in other parts of the country to help in the health workers' fight against COVID- 19.