he relies on an authoritarian system of total surveillance on economic expansion without scruples again and again, she provokes and threatens with military aggression. the chinese president believes his way is for superior than that of western democracy. china's president, she ging ping starts july 30th on d. w. ah there is still many questions surrounding cove in 19. we know that some people are at particular risk while others never seem to catch it at all. but we don't know why. welcome to walk over 19 special in china attempts to control the virus with strict locked downs and home grown vaccines. but she'd mixed results while gannon

struggles with vaccine hesitancy. rwanda if building a vaccine factory. but 1st, let's look at why many people never develop symptoms. we spoke with one of the researchers who discovered the ami con variant. ringback we've all had stories of health care workers who worked for months so years on code 19 wards and apparently never caught it or of families where everyone came down with a virus doing isolation except one member. some people just didn't seem to get a disease. we still have no way to predict who might have this apparent c propeller . i think the 1st factor is, is basically is chance so, so, i mean, they can have luck on can be unlucky. and i think that won't cannot, you know, mom should not underestimate. but still, of course, the question is, you know, that attitude, and i think it is probably a multifaceted phenomenon very ways anyone can lower their risk of contracting,

have 19 you can reduce your exposure by wearing an effective mask and indoor public spaces. for example, on vaccine rule, so of a powerful protective effect because they stimulate the body to produce antibodies against the virus. at least for a few months, i could provide strong immunity. immunity that would be juice vaccination and or naturally infection having survived infection or a combination of both which we are seeing more and more. the question is, are there any other infections, particularly with other types of corona viruses? that would leave one somewhat amusing. it's not a factor, possibly also playing a role in at least some people who appear resistant to code 19 infection. some studies indicated does that previous exposure to one or more of the 4 related corona viruses that only cause cold like symptoms and humans might provide some

protection. infection with those largely harmless viruses causes the body to form long lived immune cells called t cells to recognise and send off future invasions of them. and at least in some people, those t sounds might also recognize close vine will relatives like songs katie to the phenomenon it's known as cross reactivity cross week 20 refers to a similarity between different agents. and of course, if the current of our system one would expect them to have similar structures in the form of our proteins that will initially immune response. and if the structures are diff, a similar between different viruses, it can lead to cross community. and i think it's a very common phenomenon across reactivity. you could explain why some people can

send off kind of 19 for at least a while. and for the select few they might even be a permanent difference. sometimes i think a small sub group of people could be a means infection with sounds crazy to entirely if the dna in their cells carry certain genetic factors that we haven't yet discovered. we've seen this kind of genetic resistance before. we know the phenomena of genetic resistance, again, certainly infected, famous example. sickle cell anemia which confers resistance to via my area. a comes a high prop, tell me, can, can cause crises and needs to be treated in its own right. another genetic variation that was discovered about 25 years ago gives protection against h i v i. the infection is such or at least progression to, towards a family instinct. so we know such examples, but they're very difficult to unravel in on immunity to south kennedy to could

hypothetically occur, for example, in people whose genes cause them to produce an altered version of faith to a protein receptor on the outside of cells that the virus uses to break in. so if the a to in some people is different in some key way, but could prevent the virus from latching on. effectively preventing the person from being infected. studies are looking at a range of different possibilities. the main purpose of such studies is to initiate the mechanisms and hopefully in the end, come up with some strategy like a drug or something like that that would exploited for prophylaxis or for therapy to genetic community. if it exists, it's likely pretty rare. experts haven't ruled it out. ah, china has tried to get the pandemic under control with a 0 cove,

its strategy of strict locked downs and vaccinations. but it's only using home grown jobs like sign of i. none of which are, am i, ne, vaccines, which have proved to be the most effective elsewhere. now they doing is getting ready to upgrade its own m r n e vaccine. so real time is approach to look dunn's change to helping every one live a healthy life. that's the message vaccine developer. while facts sends out on its web site, it's m r. renee based cove at 19 vaccine is currently undergoing phase 3 trials and could be ready to market soon. most people in china have already received other chinese made corona virus vaccines. with an m r renee job could offer them added protection a morally c clean the board. yeah. efficacy level is higher is better than anybody else but everything else i think. ready is still worth while best making better the army to basically

to increase the effort. a preliminary study indicated that a booster shot with while of access m r n. a vaccine provoked a stronger immune response than one using other chinese vaccines. still, china has a way to go when it comes to producing his own. m r. renee vaccine, 5 more corona virus vaccines are currently under development. her she knows what to, let's do. the interesting chinese motivation is on the one hand to national pride and there is the race for this new m r renee vaccine technology, where it wants to keep pace with the west. china didn't want to become dependent on the west nile beyond tech. together with the chinese partner, folsom and shanghai submitted an application for approval of its m r in a vaccine in china. but it hasn't been fully processed or granted to this day mister into bob. i did to us to shut the phone. beehan albumen is

a chinese policy expert. he says it's this national pride in combination with the miscalculation omicron could be contained by china's sarah cove, its strategy that have led to the countries current problems must testing and hard locked downs have impacted china's economy and lead to growing discontent amongst the public sheila, i think it's right now, china's problem is that despite its relatively high vaccination rate, the protection provided by its current vaccines is relatively low against oma, kron 4, and with some variance. hm. and also a fairly high portion of the older population is either not rejected through vaccinations. or not enough good insulin sheets as compared to some other wealthy countries in the region. china's vaccination rate for people over 60 is still relatively low. standing at around 82 percent when causes usa will not

often call people. and of course, it's precisely this vulnerable group of the elderly or that china lumps to protect you. the chinese government, as long touted that it takes projecting lives of this pandemic. more seriously than the u. s. government does, for example, or there for items were considered to be more important part of the cost of many lives. now with its 1st domestically made m r renee vaccine and site will china change calls. political experts say not yet. they only see that happening next year after tea jen paying has secured his 3rd term as president. i'm from raleigh just than you now is convinced. even the current chinese vaccines provide good protection against cove at 19 as long as 3 doses are administered. so an m r and

a vaccine wouldn't change the country's basic approach when everybody's vaccinating . let people tell you just like now the vaccinations on long city seems like a week on getting there last at the janet ball is not causing more so might be even that is the case that's still the chan from now. all of them. i have a few of them to relax a bit, but for now it looks as though even getting its own. m r renee vaccine went fundamentally changed china's coping policy. do you have any questions on k b? 19 science correspondent, derrick williams. huffman says, based on the latest research and analysis, send an email to covey producer at d, w dot com. this week, one view i wanted to know fully need annual distance against kind of 19 in the future. oh,

any prediction that anyone makes at this point on this question is going to be speculative because we just don't know how much more the virus is going to change in the future. and that of course, will be key to how long vaccination defenses remain robust. but i definitely think that it makes sense to step back for a moment and maybe think about our goals, um, what the vaccines really have to do to be considered successful and, and what will we just really like them to do? because those are 2 different things, and they'll ultimately decide whether we think yearly boosters are a good idea in the future or not. um, so let's look at what a vaccine kind of has to do. first, at a bare minimum, i'd say it should keep cove at 19 from killing pretty much every one and also

provide significant protection against getting severely ill to at least a vast majority of people who receive it. that protection should also last more than just a few weeks or a few months right now in this armor chron phase of the pandemic. that's kind of the problem. vaccines are preventing most severe disease but, but some people are still catching cove at 19. even after being recently booster, which is why health care authorities and many places are now recommending a 4th shot, especially for the elderly or for the immunocompromised, reaching those simple benchmarks on what a vaccine has to do. hands on a few factors, especially how long lasting and robust of an immune response,

the vaccine evokes and the average recipient. but also how quickly the virus evolves to get around that. what recipients would also really like for a vaccine to do, of course, is to prevent symptomatic disease entirely. and if that's the goal, then some kind of regular booster in the future suddenly looks a lot more likely. um, we already have to develop annual vaccines for influenza viruses and, and some researchers now sank that sars. coby too, is evolving just as rapidly. if that continues, then regular updates of coven 19 vaccines will probably be necessary, possibly administered m. seasonally, along with flu shots, or, or maybe as a nasal spray. of course, the corona virus could also evolve to cause such harmless disease that we all stop

worrying about it. but even if that one day happens, most experts don't expect it to be any time soon. gun air was the 1st country in africa to take delivery as kind of 19 vaccines under the un back to po box initiative. but so far less than half, i think $13000000.00 people have had the job, even though millions of days is, are available. but not old gun aiden's. a hesitant when some now lining up to get that these dish out elvis a jetty. so why is electra and debris sat chair at the public, tertiary institution, and gone as capital across? he hasn't been to work the days following a surgeon cove at 19 infections at his school. so i was staying

away from work as a precaution. boswell, am i normally mother and m m and t and who also have an ada conditions like diabetes like hyper tension i which also puts them at oxford console, dela situation and, and, and there was a kind of apprehension by heart that he via contracts the, the virus just some did i time piece of wood, then i could also infect these people. either mine kate's all my, my, my, my, my parents or that was i was a child and i shall come for this whole psychological twitter. so i went to his cove at shots at the peak of the pandemic, but regular visits like this to his elderly mother who has diabetes and suffers

from high blood pressure, means he must be better protected. without hunch, he's already thinking of getting a booster shot somewhere. so fall gonna his administered 17000000 coven doses. to about 11000000 people. millions are still hesitant about the vaccines in general. let alone getting a beast a shot. depression give me like a terrier with severe beings and as i was having to get to be picked about it, i thought they can in the block. so maybe i'm thinking about taking the 2nd one. you might even get m m m a west or something. so i'm trying to avoid yeah, i said i would, i'm with beginning bob. yeah, i'm okay. no. so thinking the segment appeared, one to me is very bad. i just select taken it. i don't it, it. i have fast feedback and having a come to think now marvin tickets and i'm shot out the keys. we remit nursing

health. health officials are concerned about the level of hesitancy towards the vaccine. their focus now is getting those who are vaccinated a booster shot we realize that after some time the immunity goes down and so we need to reinforce yamini cause coffee. it hasn't gone, corbett is norway, anyways, come to stay with us in a week. we should put it bluntly and therefore we need to protect ourselves now that we know how to disease it transmits and how we can prevent it. of course, their best thing is to prevent yourself and therefore, reinforcing your immune system is very important that that is a sense, although booster. ok, great today. so why is making inquiries about where to get his booster shot? he has about a hospital,

just 5 kilometers away. from his home this center, just like many across the country is almost empty. so our is among just a few people who've come to day to be vaccinated. really. good day. i have this conviction now that i have better immune system. i'm to put touch myself to put to my family at our colleagues and of course my, my loved ones, so i'm excited. so what is going back to work for the 1st time in days, but now with his booster vaccination? he feels more confident now about his protection from pope at 19 in the phase, nearly 2 years of the pandemic, africa was always lost when it came to vaccine supplies,

not least because there were no productions lights of vaccines in africa. german company by intake is now building a plant in london, but will it helped solve future problems? behind these inconspicuous signs are grand plans. here in the rwandan capital kigali, the german company beyond tech is building a plant for m r in a vaccines. c, e o, we are shaheen. welcome to the president of romando polka gamete, along with other high ranking officials from other african countries. for them. this is not just about laying a foundation, stone, but about gaining expertise and highly qualified jobs, and being able to stand on their 2 feet during the pandemic condition. maxine manufacturing requires a height is cared human cantico. i'm up to announce that cabinet has approved establishment of the african bio manufacturing

institute, which will provide training and quality vacation for this industry. beyond tech aims to have the m r, n a production lines ready in 6 months. the 1st vaccines are scheduled to leave the factory in 18 months. this is made possible by what it calls the beyond tainer. it allows key elements of the vaccine production to be brought quickly to any place in the world using a modular process. the vaccine plant is also a hot topic, 30 kilometers away in the mood geena region. the people here live mainly from agriculture and getting to a doctor or hospital is a law on and exhausting journey for many. no, no, that was due on the by, on tax african m r n. a manufacturing plant will greatly help to prevent any disease that may occur in our country as well. and if these vaccines are

manufactured hair, when the purchase price will not be high to the content that will help us to fight the next pandemic kind, his was his like most other countries in africa, rwandan now has enough vaccine against covered 19. but in the 1st year and a half of the pandemic, it was very different. the vaccines were developed by companies in western industrialized countries and were 1st used to inoculate their own population. there was the international vaccine initiative kovacs, which was intended to bring vaccines to poorer countries, but deliveries were slow for a long time. dr gisela schneider has been supervising vaccination programs in africa for years. she saw the disappointment of the people their 1st hand. d, u, an african, over the young african say they need their own structures for cooling these. that their experience during corona virus was the kovak sounded good as a but they still have to wait at the back of the q one. and yet,

i want to take things into their own hands. they want the rights to continue their own. m are in a research to produce their own vaccines on. so i am stuff, it's a potent ceiling in terms of africa having its own production sites for vaccines. beyond tex work is a step in the right direction, probably, but much of the expertise remains here at beyond checking. local researchers say they will only benefit if the patent rights are released. every bank wants to have him on him on affection, on the ground. and then we have to agree on a, on a collaboration plan, which is a complex project. and they have to agree who is contributing what that's why south african scientists are developing their own m. r, in a vaccine in cape town, to be independent of the patterns of western companies. april, take some time before average in delivers results. but the ideas that african countries will also have access not just to vaccines,

but to all the technology at any char ah reports. if new york's demise, it turns out have been greatly exaggerated far. i am leaving the big apple for good . more people are moving there now and before the pandemic, and that's pushing up the cost of living and hitting the poorest hard. and oh, the will to protect his families whom he fabian bravo boys. he's fighting back against the rent increase. i moved to little thinking that they would send us tenets allen, to the street where no fear, life is possible. i leave you a little money for tens of thousands. life on the street is already a reality. homelessness in new york is the highest. it has been in almost a 100 years. the main cause to little affordable housing. more

people are returning to the city than before the pandemic. and they are looking for more space that's driving up prices. average rent price is up by a 3rd compared to 2021. and so our evictions. low income families like that of fabian bravo, are now in a bind. nora bravo works as a housekeeper, 7 days a week. yeah. she's already struggling as inflation is biting into the family budget, where chicken before he goes out. why neither power now he's gone to night, things on the phone. so we have to change a little bit before we like 2 more chickens. we lay only one. so we as this toys, so now we, why more base double cucumber. um, still larry, we looking for the deal. the family of 5 is crowned into a 3 bedroom apartment that they're building is designed to be affordable. the city

regulates their rent increases the increase this year. it will come to about $70.00 a month. fabian bravo had a work injury if i was back and was unemployed. that means a 17 year old daughter, samantha, you know, help with the extra cost. instead of paying for let's see that when i, when i'm on the last day, some was that was done. my been look when will signals they are killing teenagers? dreams. if i don't speak out them, if i don't raise my voice on this, who will give her either one. but as i was, i had to do it for my kids in for my family. and i me, me funny that miss equals the city appointed board decided to raise the rent of 1000000 apartments in new york this summer by making his case to them. fabian wants to keep in almost fordable in the future. he tells the board about the anxiety, inflation is already causing his family and he ends on a plea, no more rent increases

with that. so for this week, next time we'll look at the link between cobit 19 and diabetes. see you then ah, ah, ah, with

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ah ah, this is d w. news live from bird. the u. s. small make is say, donald trump chose not to act as a mob of his supporters stormed the cat for 187 minutes on january 6th. this man of unbridled destructive energy could not be moved. he with congressional panel accuses the form of president of filing to call off capital riots. also coming out hope scribe that an international food process can be east.