hereThese conditions can be life threatening.The NHS advises that these infections can affect anyone, but that there are higher risks to babies, pensioners, and people with long term health conditions.Vaccines protect patients against the infection by producing antibodies to destroy the infection.The vaccine is thought to be around 50 to 70 per cent effective, the NHS states.It says that occasions where people should not have the vaccine include if someone suffers a confirmed allergic reaction, if they have a fever when they are due to have the vaccine, or pregnant women who may wish to delay the vaccine until after the birth.Scientists are racing to try and develop an effective coronavirus vaccine.Trials are underway in studies led by the.