They're the most common cause of stomach bugs (gastroenteritis) in the UK. Each year, it's estimated that between 600,000 and 1 million people in the UK catch norovirus. The illness is sometimes called the winter vomiting bug because it's more common in winter. However, you can catch the virus at any time of the year.hey're the most common cause of stomach bugs (gastroenteritis) in the UK. Each year, it's estimated that between 600,000 and 1 million people in the UK catch norovirus. The illness is sometimes called the winter vomiting bug because it's more common in winter. However, you can catch the virus at any time of the year.
On the contrary, individuals who are carriers for the sickle cell disease (with one sickle gene and one normal hemoglobin gene, also known as sickle cell trait) have some protective advantage against malaria.
What it does. Provides effective protection against mosquitoes, sandflies and leeches. Also repels march flies, ticks and other biting insects.Helps to protect you and your family against disease carrying insects including mosquitoes that may spread Ross River Fever and Dengue Fever.hat it does. Provides effective protection against mosquitoes, sandflies and leeches. Also repels march flies, ticks and other biting insects.