professor markjit exoiaining _ they are. professor markjit explaining the _ they are. professor markjit l explaining the global roll-out they are. professor markjit - explaining the global roll-out of explaining the global roll—out of the vaccine. governments around the world are counting on the vaccination programme to get us out of lockdown. but there's one vital question that scientists can't yet answer. will people who've had the jab still be able to pass the virus on? our science editor david shukman looks at the current evidence surrounding transmission. rolling out the vaccines at a gathering pace marks the first big turning point in the pandemic. each one creating more protection against the disease. but there is something crucial that we don't yet understand — if you've been vaccinated, can you still get infected? you'd be safe if that happened, but could you spread the virus to others? we don't know for sure at this moment in time whether an individual is infected after receiving the vaccine they can transmit that to others. so the best thing to do is to pres

professor markjit explaining the global roll—out of the vaccine.me greats of us baseball — hank aaron — dies at the age of 86. donald trump is now the 45th president of the united states. he was sworn in before several hundred thousand people on the steps of capitol hill in washington. it's going to be only america first. america first. demonstrators waiting for mike gatting and his rebel cricket team were attacked with tear gas and set upon by police dogs. anti—apartheid campaigners say they will carry on the protests throughout the tour. they called him the butcher of lyon. klaus altman is being held on a fraud charge in bolivia. the west germans want to extradite him for crimes committed in wartime france. there, he was the gestapo chief klaus barbie. millions came to bathe as close as possible to this spot, a tide of humanity that's believed by officials to have broken all records. this is bbc news. the latest headlines. president biden warns the us economic crisis is deepening as he introduces his relief plan. articles of impeachment against d

we can speak now to markjit, professor of vaccine epidemiology at the london school of hygiene and tropicalthrough in lehmans terms, explained to us the discrepancy between those figures when it comes to which countries are doing better in which countries are doing better in which countries are doing better in which countries are perhaps struggling when it comes to vaccine distribution.— when it comes to vaccine distribution. ., ., , ., , distribution. there are many reasons why countries _ distribution. there are many reasons why countries have _ distribution. there are many reasons why countries have been _ distribution. there are many reasons why countries have been able - distribution. there are many reasons why countries have been able to - why countries have been able to distribute fewer doses of vaccine for type i think the biggest reason is supply. some countries have very large orders for vaccines. and some countries haven't sometimes there have been problems and supplies for instance, we heard that someone for the pfizer vaccine, it's not been possible to get as much supply as ori

i'm joined by professor markjit, who is a vaccine epidemiologist at the london school of hygiene andthis roll—out to general practice that we are going to see a significant increase in the rate of vaccination getting under way? it's good news, we now have two vaccines approved and licensed for use in the uk and one of them does not require the very low temperatures that vaccine does so between the two of them, hopefully this will allow an increase at the rate at which vaccines are being rolled out and we can get it to more people —— the pfizer vaccine. doctor contact of mine are telling me, we have been discussing how a 15 minute observation period people after they have been vaccinated was going to be needed for both the pfizer biontech and oxford astrazeneca vaccine but it seems with the latter one that the 15 minute observation will not be required unless there is some indication before hunt that a person may need to be observed, for example if they had a history of allergic reaction —— some indication beforehand. that would suggest we could get through a lot more vaccinations mor

let's speak now to markjit, professor of vaccine epidemiology at the london school of hygiene and tropical. given the number of cases doctor felt she was just referring to, how important do you think it is, as we tackle coronavirus globally that the us is backin coronavirus globally that the us is back in the fold of the world health organization? —— doctorfelt she. this will be crucial. the organization? -- doctor felt she. this will be crucial.— this will be crucial. the us has alwa s this will be crucial. the us has always played _ this will be crucial. the us has always played a _ this will be crucial. the us has always played a very _ this will be crucial. the us has always played a very leading i this will be crucial. the us has i always played a very leading role. scientifically and in terms of leadership in the world health organization and the who is leading on many initiatives to bring technical advice to support countries working out the best way to tackle the coronavirus problem. as you look at tackling this globally, how do you deal with different expectations, including cultu