According to NHS data, the most high-risk destinations are in Western Africa and the majority of cases enter Britain after travellers return from visiting family.
In a bid to tackle the rise, anti-malarial drug Maloff Protect has been made available over-the-counter, as opposed to being available solely via prescription as it has been previously.
There have been six malaria-related deaths a year in the UK since 2015, below the average since 2000 of 7.5%.
Shamir Patel, a leading pharmacist and director of Chemist-4-u.com, has warned British holidaymakers not to travel abroad without the proper vaccinations.
He also raised concerns that travellers are not taking the risks seriously enough, as “a drop of just 109 is fairly insignificant and does not represent positive change in attitudes towards a disease as dangerous as malaria…