Although I am here to help and answer questions where possible, it is the travelling party's personal responsibility to check they can meet all requirements for travel to their chosen destination. Please visit the Foreign Travel Advice page for specific information regarding your destination and keep checking for any updates in the lead up to travel:
https://www.gov.uk/foreign-travel-advice
With regards to vaccinations and health advice, you should check with your GP surgery or www.travelhealthpro.org.uk for specific recommendations.
For advise on staying safe and healthy abroad, visit:
https://www.gov.uk/knowbeforeyougo
For information about British passports, visit:
https://www.gov.uk/browse/citizenship/passports