successful this is bbc world news, the headlines as governments around the world battle to slow the spread of the coronavirus, the world health organisation has warned against lifting restrictions too soon, despite concerns about the global economy the number of deaths in the uk hasjumped to more than 680 in a single day. the new figures come as one of the world's largest hospitals opens in london to treat up to 4,000 coronavirus patients. there are now more than a hundred thousand coronavirus cases in new york. the number of people who've died went up by almost six hundred the single highest daily increase in the number of deaths so far. the coronavirus pandemic has killed more than 40,000 people in europe, more than three—quarters of them

in italy, spain and france. there's particular concern for nursing and care homes across the continent. at ten 0'clock, clive myrie will be here with a full round up of the day's main stories. and before that we'll have the film review that's in a few minutes but first, a special programme on what you need to know about coronavirus presented by anita mcveigh. hello and welcome to this bbc news special. stay with us as we share the latest information, health advice and reports about the coronavirus. we will show you exactly what scientists think the virus is and ask, how close

are we to a vaccine? a reminder that there is further advice and information about the pandemic on the bbc news website. first, this coronavirus may be dominating headlines around the world is and changing the lives of hundreds of millions of people. but, what exactly do we know about it, and how close are we to a vaccine? the bbc‘sjim reid reports. sars—cov—2 is the technical name for the virus that causes covid—19. it is part of the coronavirus family, one of at least six that can infect humans. we are in the amazing position today that we can get the genetic code of a virus really quickly. it turns out that this particular virus is very

closely related to bats and pangolin viruses, one of the theories is that it could have spread through one of those species to humans. the virus is made up ofjust 30 genes, compared with 20,000 for humans. it mutates or changes over time, allowing scientists to draw a family tree, showing the different strands have come from and how they have spread. because of the slight shift, slight mutations that the virus accumulates, we can actually track which once came from china, versus which ones came from the west coast for instance, that are coming into new york, that is what the virology so looking at right now, to track the virus. the virus typically enters the human body through the nose or mouth. there were spikes on the outside grab onto a protein, which is common on cells in the throat and lungs. most covid—19 infections cause a fever, as our immune system fights to clear the virus from our bodies. essentially viruses, when they are in that phase of infection, they hijack the host cell, turn it into a virus making factory, releasing new virus particles that are then free to infect other neighbouring cells

in the same host or if they are exhaled, coughed or sneezed out, they are able to infect a new person. it is not unusual for a virus to cause different symptoms in different people. that could depend on age, genetics and the amount you are exposed to. you always get this wide spectrum of responses to infections and covid—19 is no different, so age is one of the key factors for whether you are more likely to suffer from severe disease. this map shows how eight different strains of the virus are now circulating quickly across the world. that is partly because virtually no one is immune. it may also be that a proportion of those infected show very mild symptoms, but can still pass the virus on to others. there are few things going right for this virus to be very successful, one big one is the fact that there seems to be an incubation

period between the time that you become infected and you start shedding the virus, to the time that you feel very sick. so, it is really impossible to catch those types of people unless we implement massive screening for the virus. biotech and drug companies across the world are now working on vaccines and treatments. 0ne promising target is though spikes on the outside of the virus itself. we have a colleague at university college london who is using the biggest supercomputer in europe to search through old libraries of drugs which have already been tried and tested for other viruses and infections, just to see some of them have the ability to interfere with the spikes on the coronavirus. in the longer term, there is a promise of a vaccine which should stop us getting the disease in the first place, but testing and manufacturing takes time. even if scientists are successful, it is unlikely to be rolled out widely until sometime next year.

in china, where the virus originated, authorities there say they have now got a grip on the outbreak. it is widely believed that beijing is harnessing the power of its sophisticated surveillance state to track, monitor and control people to stop the spread of the disease. the use of mobile phone data has proven particularly effective and now some of the techniques are being copied by a growing number of countries around the world, including singapore, south korea and iran. so, how can surveillance state tools help in a pandemic and what are the potential pitfalls, privacy and freedom? 0ur cyber security report explains. it all starts with this, a national id card. you need one to pretty much do anything in china. from buying a mobile phone, to using any app. everything you do leaves a data trail, linked back to your id.

in areas in lockdown, phone location data is being used to monitor movement and enforce curfews. if a patient is meant to be in quarantine, geolocation pins on their phone can alert authorities if they stray out of their homes. phone location data is also being used to map exactly where that person visited in the two weeks before being diagnosed. the combination of human and automated and computer analysis worked out who they may have infected. if they went on a train and got too close to other commuters, a text message is sent out through one of the major apps, alerting those at risk. every person is being assigned a coloured qr code, depending on the risk they pose. green, no risk. 0range, they have entered a potential virus hotspot. red, if they have tested positive for the virus and could still be contagious. none of this cyber surveillance would be any good without the chinese state's strict enforcement as well. police and volunteers have literally manned the exits of apartment blocks

to keep places on lockdown. but, in countries where these data surveillance powers are being brought in to help deal with coronavirus, some people are worried about the long—term. my name is adam schwartz, i am a senior lawyer at the electronic frontier foundation. there is a great concern that when government gets new powers in a crisis, government never gives those powers away even when the crisis ends, so, for example, in the wake of the 9/11 attacks, the united states created vast surveillance powers and 19 years later, those powers are still very much in the hands of the us government. adam and others also have questions about how just how much of a difference this data surveillance can make and if it is worth it. what we are saying to governments around the world is, before you unveil or unleash a brand new mass surveillance power, it is necessary for governments to come forward and public health

professionals to come forward and show that these technologies would actually address the crisis. striking the delicate balance between privacy and security is an age—old problem governments and the public. but, perhaps never in history has the dilemma been more pressing and more life—threatening. now, many of us are facing the challenges of dealing with coronavirus. and, also dealing with very different working conditions. you will have noticed that the way you are receiving the news has become very different. not least that the programme you're watching now didn't exist two weeks ago. the bbc‘s media editor has been looking at the challenges that the news and media industry is facing. good evening. 0ur headlines for you this morning. britain's coronavirus crisis. coronavirus. in a crisis. coronavirus. it is horrible. pandemic. especially that one in the information age. hand sanitiser.

covid—19. trusted news becomes a precious commodity. social distancing. for which there is high demand. coronavirus. britain has a range of regulated public service broadcasters doing their best to produce world—class journalism. ratings were news programmes across all channels are soaring, with many presents broadcasting from home. published data showing that transport across the country... but actually producing broadcast news is exceptionally hard in a global pandemic. innovation is the only solution. there is plenty of it about. here correspondentjudith moritz is at home in manchester, working on a bbc news piece with her cameraman and editor, rob wood, who is nearly 30 miles away in derbyshire. the nhs scheme only covers england... these reports are the result of teamwork, to result

of teamwork, between correspondence, producers, camera operators and studio editors. oh, and children as well, who can make their presence home when correspondence work from home. keeping both staff and contributors save as priority. video interviews have become the norm of late. keeping two metres away from interviewees can be hard, but boom mics allow sound to be captured safely in high quality. good morning, it is seven o'clock... and it is notjust television. kitchens and front lounges have been converted into makeshift radio studios, like those on the today programme. here is the bbc‘s david sillitoe using a duvet to improve sound quality. furnishings can absorb sound and reduce echo. to a much greater extent than is generally acknowledged, journalism is the product of a particular energy, camaraderie and culture within a newsroom, like that of the bbc. it is hard to replicate that when, like these days —— designated key workers, you are sat two metres apart. this place is usually densely packed but, like millions of others also facing logistical challenges, most editors and producers are now

working from home. apps such as skype and zoom are therefore replacing day—to—day editorial meetings. what do you think about using that clip that we have already laid down? we could do that. broadcasting is always a technical adventure, but right now, more than ever. amol rajan in central london, working with producer elizabeth in kent and editorjonathan in north london. bbc news. that is it for now, but before we go we thought we would share some of the striking images from the last week from around the world as the coronavirus continues to upend the lives of hundreds of millions of people.

hello and welcome to the film review with me mark kermode. with cinemas closed and everybody being urged to stay indoors due to the coronavirus, new films are still opening in the uk through streaming services, being made available for home viewing. so, for example, last week, the surrealist thriller vivarium, which was going to have a theatrical opening,

became available exclusively on streaming services. wait, this isn't the right way. yes, this is the way we came in. is it? to we just do some kind of loop? hello? i have never heard such silence. jesse eisenberg and imogen poots are the couple looking for a perfect dream home who find themselves trapped a nightmarish, stepford style suburban development called yonder, where they are forced to raise an alien child. like an extended edition of the twilight zone, the vivarium takes a single idea and stretches it out to feature length, but it does so with enough wit and invention to keep audiences entertained, engrossed and a little bit freaked out. what is that cloud in the shape of? a cloud. yes. another cloud shaped cloud. all the clouds here are shaped like clouds.

perfect. sickening. little clouds. should i hit it? no, hit her! this week's streaming releases include four kids and it, an adaptation ofjacqueline wilson's 2012 novel, itself inspired by e nesbitt‘s classic 1902 novel, five children and it. this then gives wishes. but there is consequences. michael caine provides the voice of the magical creature who can provide one wish for a day and is discovered by the kids each wrestling with their own personal issues. matthew goode and paula patton are the single parents planning to make their two families one, to the horror of their respective children, while a villainous russell brand