Britain on Thursday said it would partner with an Oxford-based firm to provide testing for the T cell response of coronavirus vaccine candidates to try to assess their immune responses.
T cell immunity is thought to be essential to protect against infection from the SARS-COV-2 coronavirus, and could provide longer-term immunity than antibodies.
The UK Vaccine Taskforce has chosen Oxford Immunotec to supply T cell testing for its assessment of different vaccine candidates.
"It is important to be able to assess the different vaccines head-to-head and the T cell response is part of our portfolio of accredited assays that we are employing for cross-comparisons," Kate Bingham, chair of the UK Vaccines Taskforce, said in a statement.
Britain has signed supply deals for six different coronavirus vaccine candidates, including those being made by AstraZeneca and Pfizer and BioNTech, seen as among the frontrunners in the race for a vaccine.
Oxford Immunotec said its technology platform enabled the centralisation of fresh blood samples from different locations to measure the T cell response in a standardised way.
It said the platform, known as T-SPOT, was being used to identify the T cells made in response to the pathogen that causes tuberculosis.
An explosion at a fireworks warehouse in Karachi, Pakistan's largest city, injured at least 34 people on Thursday, police said, causing panic among residents.
A Ukrainian man was arrested at a holiday bungalow in Italy on suspicion of coordinating attacks on three Nord Stream gas pipelines in 2022, officials said on Thursday, a breakthrough in an episode that sharpened tensions between Russia and the West.
The Israeli military maintained its pressure on Gaza City with heavy bombardments overnight, residents said, ahead of a Thursday meeting between Prime Minister Benjamin Netanyahu and his ministers on plans to seize the enclave's largest city.
Russian President Vladimir Putin is prepared to meet Volodymyr Zelenskyy but all issues must be worked through first and there's a question about the Ukrainian leader's authority to sign a peace deal, Foreign Minister Sergei Lavrov said on Thursday.
United Nations Secretary-General Antonio Guterres on Thursday called for an immediate ceasefire in Gaza, after Israel announced the first steps of an operation to take over Gaza City.