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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.

New Delhi, Jul 2: In the midst of India's tense border standoff with China, the defence ministry on Thursday approved procurement of a number of frontline fighter jets, missile systems and other platforms at a cost of Rs 38,900 crore to bolster the combat capability of the armed forces, officials said.

They said 21 MiG-29 fighter jets are being bought from Russia while 12 Su-30 MKI aircraft will be procured from Russia. The ministry has also approved a separate proposal to upgrade existing 59 MiG-29 aircraft.

The decisions were taken at a meeting of the Defence Acquisition Council (DAC) chaired by Defence Minister Rajnath Singh.

The procurement of 21 MiG-29 and upgrading of the existing fleet of MiG-29 are estimated to cost the government Rs 7,418 crore while purchase of 12 new Su-30 MKI from the Hindustan Aeronautics Ltd will be made at a cost of Rs 10,730 crore, the officials said.

The DAC also approved procurement of long-range land-attack cruise missile systems with a range of 1,000 KM and Astra Missiles for Navy and Air Force.

The officials said cost of these design and development proposals is in the range of Rs 20,400 crore.

"While acquisition of Pinaka missile systems will enable raising additional regiments over and above the ones already inducted, addition of long-range land attack missile systems having a firing range of 1000 KM to the existing arsenal will bolster the attack capabilities of the Navy and the Air Force," said a defence ministry official.

"Similarly induction of Astra Missiles having beyond visual range capability will serve as a force multiplier and immensely add to the strike capability of the Indian Navy and the Indian Air Force," he said.

New Delhi, Jul 12: With the highest single-day spike of 28,637 new cases and 551 deaths being reported in the last 24 hours, India's COVID-19 count reached 8,49,553 on Sunday.

According to the Union Health and Family Welfare Ministry, this includes 2,92,258 active cases, and 5,34,621 cured and discharged or migrated patients. The toll due to the disease has reached 22,674 in the country.

Maharashtra with 2,46,600 cases continues to be the worst affected state by COVID-19 in the country. The state has 99,499 active cases while 1,36,985 patients have been cured and discharged so far. The death toll due to the disease now stands at 10,116.

Tamil Nadu with 1,34,226 cases, including 46,413 active ones, is the next worst affected in the country. While the number of cured and discharged patients is at 85,915 in the state, the toll due to the disease is at 1,898.

The national capital has recorded 1,10,921 confirmed cases so far. However, the number of active cases in Delhi is at 19,895 and 87,692 patients have been cured and discharged so far. With 3,334 deaths being reported due to COVID-19 in the city.