UK COVID-19 vaccine trial participants on immunizing safety

Scientists at Imperial College London say y are immunizing hundreds of people with an experimental coronavirus vaccine in an early trial after seeing worrying safety problems in those vaccinated so far.

One of trial participants, Philip, told Associated Press that he was feeling fine as he received second dose of vaccine. "re's a small group of people at start who receive vaccine to be checked for any reactions, effects, but as far as I'm aware everything's going ok, it's fine."

Imperial vaccine uses syntic strands of genetic code based on virus.

Once injected into muscle, body's own cells are instructed to make copies of a spiky protein on coronavirus.

That should in turn trigger an immune response so body can fight off any future COVID-19 infection.

Trial participant Philip said taking part in trial and kwing he was receiving vaccine – t just a placebo - hn't changed his approach to everyday life.

"Even w it's just, carry on as rmal as best you can and re's difference to how I behaved last time, apart from masks, washing your hands, forming queues, more queues than rmal," he said.

Last week, world's biggest coronavirus vaccine study started in US, with first of 30,000 planned volunteers getting immunized by shots created by US National Institutes of Health and Moderna Inc.

Several or vaccines me by China and by Britain's Oxford University, based on different vaccine techlogies, began smaller final-st tests in Brazil and or hard-hit countries earlier this month.

World Health Organization has said multiple vaccine approaches are necessary for COVID-19, ting that usual success rate for vaccine development is about 10%.

"This is a time of unprecedented vaccine research across globe," said Doctor Katrina Pollock, Senior clinical research fellow in vaccilogy and chief investigator on Imperial College vaccine trials.

"I think it's likely we're going to need more than one vaccine. We may need different s of vaccines for different s for example, obvious parigm for that would be flu vaccine, we'd give different vaccines for different s in this country and you kw, it's a rapidly evolving situation. So it's one we're all keeping our eye on and it's great to be involved in this research," she ded.

(Im: Unsplash)