GARDEN ROUTE | KAROO NEWS - Dr Delene Brink, clinical microbiologist from Pathcare, says in the last month they have seen an increase in Influenza A detected from nasopharyngeal swabs taken from patients in the Western Cape, and especially during the last two weeks in the Southern Cape.

"From the samples tested, 25 to 30% is positive for Influenza A. This trend is similar to what we've seen in previous years. We usually have a peak in May and again in October. 

"We do not do typing on all the samples but from the ones where molecular typing is available, Influenza A/H1 seems to be the prevalent strain at the moment," says Brink.

The strain was known as Swine flu in 2009, but is now part of seasonal circulating Inluenza A and is known as H1N1.

"This strain is included in the vaccine and it is not too late to get vaccinated. Even if you have flu now, the vaccine may still provide protection to other strains which may be more prominent later in the season."

Patients with flu symptoms who have risk factors for severe disease, such as chronic heart and lung conditions, renal problems, diabetes, etc, should visit a clinic or see their GP as soon as possible as they may need treatment with an antiviral like Oseltamivir (Tamiflu) to prevent severe disease and complications.

"Most patients respond well to symptomatic treatment and bed rest. Antibiotics do not have any benefit and should not be given to patients with uncomplicated influenza," says Brink.

Symptoms include fever, body aches, sore throat and fatigue. A cough and shortness of breath may also develop later.

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