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Coronavirus: Oxford vaccine triggers immune response
A coronavirus vaccine developed by the University of Oxford appears safe and triggers an immune response.
Trials involving 1,077 people showed the injection led to them making antibodies and T-cells that can fight coronavirus.
The findings are hugely promising, but it is still too soon to know if this is enough to offer protection and larger trials are under way.
The UK has already ordered 100 million doses of the vaccine.
The vaccine – called ChAdOx1 nCoV-19 – is being developed at unprecedented speed.
It is made from a genetically engineered virus that causes the common cold in chimpanzees.
It has been heavily modified, first so it cannot cause infections in people and also to make it “look” more like coronavirus.
Scientists did this by transferring the genetic instructions for the coronavirus’s “spike protein” – the crucial tool it uses to invade our cells – to the vaccine they were developing.
This means the vaccine resembles the coronavirus and the immune system can learn how to attack it.
Much of the focus on coronavirus so far has been about antibodies, but these are only one part of our immune defence.
Antibodies are small proteins made by the immune system that stick onto the surface of viruses.
Neutralising antibodies can disable the coronavirus.
T-cells, a type of white blood cell, help co-ordinate the immune system and are able to spot which of the body’s cells have been infected and destroy them.
Nearly all effective vaccines induce both an antibody and a T-cell response.
Levels of T-cells peaked 14 days after vaccination and antibody levels peaked after 28 days. The study has not run for long enough to understand how long they may last, the study in the Lancet showed.
Prof Andrew Pollard, from the Oxford research group told the BBC: “We’re really pleased with the results published today as we’re seeing both neutralising antibodies and T-cells.
“They’re extremely promising and we believe the type of response that may be associated with protection.
“But the key question everyone wants to know is does the vaccine work, does it offer protection… and we’re in a waiting game.”
The study showed 90% of people developed neutralising antibodies after one dose. Only ten people were given two doses and all of them produced neutralising antibodies.
“We don’t know the level needed for protection, but we can maximise responses with a second dose,” Prof Pollard told the BBC.
Yes, but there are side-effects.
There were no dangerous side-effects from taking the vaccine, however, 70% of people on the trial developed either fever or headache.
The researchers say this could be managed with paracetamol.
- BBC
The Diaspora Affairs Office at the Office of the President has hosted a delegation of African diaspora women who are in Ghana ahead of a planned Presidential Conferment of Citizenship ceremony.
The Director of Diaspora Affairs, Kofi Okyere Darko, explained in a Facebook post that the visit was a gesture of appreciation by the delegation to the Government of Ghana for its continued efforts to reconnect Africans in the diaspora with their ancestral homeland.
He indicated that the ceremony, scheduled for next Monday, will officially grant Ghanaian citizenship to members of the delegation as part of the country’s broader engagement with the African diaspora.
The delegation was led by Erica Bennett, Founder of the Diaspora Africa Forum.
According to Mr Okyere Darko, her years of advocacy have played an important role in strengthening ties between Africa and people of African descent living abroad.
He noted that the group’s journey towards citizenship represents not only a legal process but also a cultural and spiritual return to their roots.
Also present at the meeting was Natalie Jackson, an attorney who is also expected to receive Ghanaian citizenship during the ceremony. She works closely with renowned civil rights lawyer Ben Crump.
Mr Okyere Darko emphasised that Ghana remains committed to strengthening relationships with the African diaspora and promoting unity, identity, and shared heritage among people of African descent worldwide.
By: Jacob Aggrey
Ghana Tourism Authority is leading Ghana’s participation at ITB Berlin, which opened in Berlin with a vibrant national pavilion highlighting Ghana’s rich cultural heritage, tourism destinations and investment opportunities.
March 5 has been designated as Ghana Day, a special platform to promote Ghana’s languages, cuisine, Kente, festivals and business prospects to the global tourism community. The stand has already drawn strong interest with traditional arts and crafts displays, immersive multimedia presentations and popular Ghanaian snacks.
Seven private-sector players are exhibiting alongside government officials as part of efforts to deepen trade partnerships, expand market access, and attract investment across the hospitality, heritage tourism, ecotourism, and creative arts sectors.
Ahead of the official opening, the Ghana delegation also engaged young Ghanaian investors in Germany in collaboration with V Afrika-Verein and the Ghana Embassy, strengthening diaspora investment linkages and highlighting opportunities within the tourism value chain.
Ghana’s coordinated presence at ITB Berlin 2026 reinforces its strategy to position the country as the Gateway to Africa and a competitive destination for leisure travel and global investment.
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