England has planned immune boosters as a plan to tackle coronavirus during autumn and winter.
Prime Minister Boris Johnson outlined coronavirus still "Remains As A Risk" and plans to tackle it.
The main plan decided to control the spread of the virus is Plan A - promoting vaccines and testing.
"More harmful economic and social restrictions would only be considered as a last resort," the autumn and winter plan says.
Plan B is to urge people to act more cautiously and wearing masks made mandatory.
Asked in what circumstances he would consider moving from Plan A to the stricter Plan B, the prime minister said he would consider the risks and state of the disease through real-time data.
Vaccination is to be made mandatory for people attending nightclubs, crowded indoor venues etc.,
