toggle menuMENU Get your booster now if you are 18 or over and have had your second dose three months ago or more Question:Get your booster now if you are 18 or over and have had your second dose three months ago or moreAnswer:Why? Getting a booster increases protection against Omicron back up to 70 per cent. How? Book your booster online through the national system or our COVID vaccine page You can walk into many of our local clinics without an appointment - walk ins are listed on the COVID vaccine page. If it has been two months since your second dose book your booster on the COVID vaccine now so that you can get it as soon as possible after three months.