The National Institute of Communicable Diseases has urged all South Africans to get a flu vaccination
The National Institute of Communicable Diseases has urged all South Africans to get a flu vaccination

South
Africans who have not been vaccinated against the flu should do so urgently, despite the influenza season already peaking, the National Institute of Communicable
Diseases (NICD) has warned.    

According to
the NICD, there are two strains of the influenza virus circulating in South
Africa this season [between May and August]. 

Flu vaccines
are developed annually according to predictions of the strains that will be
circulating during a particular season, so it is important to get
vaccinated every year. “Even people who have already had flu should still get
the shot, as there are different strains of the virus currently in circulation in South
Africa,” said NICD executive director Shabir Madhi.

“We have the
swine flu virus that’s still circulating; it has been circulating since 2009 so
it’s not unusual. In addition to it, we have the H2N3 virus, which is a
different strain. But in Gauteng, for example, both those strains are circulating
concurrently.”

Although flu
is a mild illness, complications such as pneumonia and other infections can
occur, especially in people with underlying conditions such as diabetes or
hypertension, according to the NCID.

‘Insidious onset’
Several
cases of mycoplasma pneumonia, or “walking” pneumonia, have recently been
reported in Johannesburg. It is caused by a bacterium
as opposed to a virus and is a mild form of pneumonia. US-based medical organisation the Mayo Clinic says it accounts for
about 20% of all cases of pneumonia and some Johannesburg-based GPs have
reported increases in such cases seen this year. 

The disease is of “insidious onset with
fever, headache and malaise for two to four days before the onset of respiratory
symptoms”, according to the Mayo Clinic.

“We’re in
the peak of the influenza season, so that’s probably what’s causing the sort of
an increase in terms of the pneumonia cases,” Madhi said.

“It is rare for mycoplasma
pneumonia to be fatal. It can [however] cause prolonged [flu] symptoms, but
generally tends to resolve itself without any treatment.”

How
to prevent flu

  • Limit contact with people
    who are infected
  • Cover your nose and mouth with a tissue when coughing or sneezing and throw
    the used tissue in a bin
  • Wash your hands often with soap, especially after coughing, sneezing or
    blowing your nose
  • Surfaces in common areas should be cleaned and disinfected

What
to do when you have the flu

  • Bed rest
  • Drink lots of water and clear fluids
  • Take medication if necessary for
    symptomatic relief of coughing, fever, nasal congestion and other symptoms.

Source: National Institute for Communicable Diseases