Here is a look at the lastest updates on the outbreak of coronavirus from India and around the world —

437 new COVID-19 cases in last 24 hours

Single-day coronavirus deaths cross 500 for first time in UK

India to accept donations from abroad for PM-CARES fund

Centre cautions states/UTs on giving excess exemptions

Wimbledon cancelled for first time since WWII

India's 10 COVID-19 hotspots

Iran coronavirus deaths pass 3,000

2 resident doctors of Safdarjung Hospital test positive for COVID-19: Sources

Coronavirus can travel up to 8 metres from exhalation, linger in air for hours, MIT scientist says

Pakistan's COVID-19 tally reaches 2,039

Saudi official urges Muslims to delay hajj plans over virus

Nizamuddin Tablighi Jama'at meet: FIR filed against six, 617 admitted to hospitals

From vaccines to ventilators, India and US ramp up ties in fight against Covid-19

Fake news spurring migrant exodus worrying: SC

Coronavirus: Trump warns US headed for 'very, very painful two weeks'

Govts race to curb spread as hundreds from Tablighi meet show symptoms

New test kits likely in 2 months: ICMR

Migrant exodus stopped to save villages: Govt

NEW DELHI: With as many as 437 new cases of COVID-19 reported in the last 24 hours, the Union health ministry on Wednesday said the spike was "not a national trend" and was primarily due to travel by those who had attended the Tablighi Jamaat congregation.The total number of coronavirus cases in the country has climbed to 1834. Till now, 41 deaths have been reported.The Union health ministry said till now there are 1,834 COVID-19 cases in the country out of which 437 new positive cases were reported in the last 24 hours.The government, however, stressed that the rise in positive cases "is not a national trend".There are 126 labs in the ICMR network and 51 private labs have been given approval to conduct tests for coronavirus.The UK reported its biggest single-day coronavirus toll of 563 on Wednesday, taking the total number of COVID-19 deaths in the country to 2,352.The department of health said 29,474 people have tested positive for the virus, an increase of 4,324 cases since Tuesday, as the country remains under lockdown with the government's advice for the people to stay at home and observe strict social distancing when outside for exercise or purchase of essentials.The government has decided to accept contributions from abroad to a fund announced by Prime Minister Narendra Modi to fight the coronavirus outbreak in the country, a decision that marks a shift from earlier position of not accepting foreign donations to deal with domestic crisis.Sources said the fund was set up following spontaneous requests from India and abroad for making generous contributions to support the government in its fight against COVID-19.The Centre has cautioned the state governments and Union Territory administrations against giving exemptions beyond the prescribed limit during the 21-day lockdown, saying it was a violation of laws and defeats the purpose of controlling spread of COVID-19.In a communication to chief secretaries of all states and UTs, Union home secretary Ajay Bhalla said it has been noticed that some state governments and UT administrations are allowing exceptions beyond what has been allowed under lockdown measures by the Ministry of Home Affairs (MHA), as contained in the issued consolidated guidelines.Wimbledon organisers on Wednesday scrapped the oldest Grand Slam tennis tournament for the first time since World War II as the coronavirus wreaks further havoc on the global sporting calendar.The cancellation of the only grasscourt major at the All England Club leaves the season in disarray, with no tennis due to be played until mid-July.Wimbledon was due to run for two weeks from June 29, with Novak Djokovic and Simona Halep set to defend their singles titles.The government is focusing its attention on 10 "hotspots" across the country in its effort to control the spread of COVID-19. There are two hotspots each in Uttar Pradesh, Delhi, Kerala and Maharashtra and one each in Gujarat and Rajasthan:In Delhi, Nizamuddin West and Dilshad Garden have been declared as hotspots.Bhilwara in Rajasthan is also a hotspot.In Uttar Pradesh, Noida and Meerut are the hotspots declared by the government.Mumbai and Pune are the two hotspots from Maharashtra.In Gujarat, Ahmedabad has been declared as a hotspot whereas in Kerala, Kasaragod and Pathanamthitta are the hotspots, according to the Union home ministry.Iran's death toll from the novel coronavirus crossed the 3,000 mark, the health ministry said on Wednesday as it reported 138 new fatalities within 24 hours.Ministry spokesman Kianoush Jahanpour said the death toll now stood at 3,036. He said 2,987 new cases brought the total to 47,593. He said 15,473 of those hospitalised had recovered.Two resident doctors of the Centre-run Safdarjung Hospital in Delhi have tested positive for coronavirus infection, official sources said on Wednesday.One of them, who is part of the team treating COVID-19 patients at the hospital, is believed to have contracted the disease during the course of duty, they said.According to sources, the female resident doctor, a third-year post-graduate student of the biochemistry department, had recently travelled abroad.The current physical distancing guidelines provided by the World Health Organisation (WHO) and by the US Centers for Disease Control and Prevention (CDC) may not be adequate to curb the coronavirus spread, according to a research which says the gas cloud from a cough or sneeze may help virus particles travel up to 8 metres.The tally of positive coronavirus cases in Pakistan reached 2,039.Punjab and Sindh topped the list with 708 and 676 cases. Pakistan occupied Kashmir reported six cases, while there were 158 cases in Balochistan, 184 in Gilgit Baltistan, 54 in Islamabad, and 253 cases in Khyber Pakhtunkhwa. The country has reported 26 deaths so far.A senior Saudi official has urged more than 1 million Muslims intending to travel to Islam's holiest sites to delay making plans for the hajj this year due to the new coronavirus pandemic, suggesting the pilgrimage could be cancelled due to the new coronavirus pandemic.In February, the kingdom took the extraordinary decision to close off the holy cities of Mecca and Medina to foreigners over the virus, a step which wasn't taken even during the 1918 flu epidemic that killed tens of millions worldwide.Six people, Maulana Saad, Dr Zeeshan, Mufti Shehzad, M Saifi, Younus, and Mohd Salman named in the FIR in Markaz, Nizamuddin case. Markaz was vacated around 3:30 am today, it had around 2100 people and it took five days to vacate the place.Of 2,361 people evacuated from Nizamuddin Markaz, 617 admitted to hospitals and rest quarantined: Delhi deputy CM Manish Sisodia.Officials says both countries are looking for ways to work together for vaccine development. India’s strength lies in its long experience in dealing with infectious diseases. The second issue is the US FDA approval for use of chloroquine and hydroxychloroquine for Covid patients.The Supreme Court on Tuesday expressed satisfaction with the steps taken by the Union and state governments to prevent spread of Covid-19 "at this stage" but expressed serious concern over fake news in social, electronic and print media causing the mass exodus of migrant workers from cities to their villages."Migration of large number of labourers working in cities was triggered by panic created by fake news that the lockdown would continue for more than three months. Such panic driven migration has caused untold suffering to those who believed and acted on such news. In fact, some have lost their lives in the process. It is, therefore, not possible for us to overlook this menace of fake news either by electronic, print or social media," the court added.President Donald Trump on Tuesday warned of a "very painful" two weeks as the United States wrestles with a coronavirus surge that the White House warns could kill as many as 240,000 Americans. "This is going to be a very painful, a very, very painful two weeks," Trump told a press conference at the White House. Trump described the pandemic as "a plague."Government authorities are tackling a logistical nightmare as they try to map the movements of thousands of people who attended the Tablighi Jamaat congregation end-February and early March in New Delhi and then dispersed, many carrying the novel coronavirus to states across the length and breadth of India.The magnitude of the task is immense: three southern states — Tamil Nadu, Andhra Pradesh and Karnataka — were trying to track at least 2,500 people, many of who had tested positive for Covid-19.India is likely to start manufacturing new serological diagnostic testing kits within the next two months as many advances have been made after the virus was isolated by research agencies, the Indian Council of Medical Research (ICMR) said.ICMR’s chief said once the virus has been isolated, it helps in taking research forward for developing diagnostic kits, medicines and vaccines and India is working in that direction.The Centre on Tuesday informed the Supreme Court that there is a possibility that 3 out of 10 persons moving from cities to rural areas are carrying the coronavirus.Solicitor general Tushar Mehta told a bench of CJI S A Bobde and Justice L Nageswar Rao that so far 28 lakh persons have been screened at airports and seaports. As many as 3.5 lakh persons are being monitored, he said.The SG said nearly 22.88 lakh migrant labourers, poor and daily wagers are being provided food and shelter by governments after being stopped enroute to their native places in various states.