In its efforts to stop the spread of covid-19, UK government has signed deals for 90 million doses of promising coronavirus vaccines that are being developed.

According to BBC, the efforts put together so far has been a research  to get a vaccine by an alliance between the pharmaceutical companies BioNtech and Pfizer as well as the firm Valneva.

Meanwhile, the new deal is on top of 100 million doses of the Oxford University vaccine being developed by AstraZeneca.

Examining the true value a vaccine, it is mostly seen as the best chance of getting our lives back to normal. Even though it is obvious that, it is still uncertain which of the experimental vaccines may work.

Having this mindset about vaccine at heart, the science world is taking advantage of research massively, to proffer a solution to the ravaging coronavirus.

So far, more than 20 vaccines are in clinical trials as the world became aware of coronavirus at the beginning of the year.

Considering the effectiveness of the ones that have been tested, some can provoke an immune response, but none has yet been proven to protect against infection.

The UK government has now secured access to vaccines that use three completely different approaches:

Using different styles of vaccine maximizes the chance that one of them will work.