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.
the NICD, there are two strains of the influenza virus circulating in South
Africa this season [between May and August].
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
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.
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.
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."
to prevent flu
to do when you have the flu
Source: National Institute for Communicable Diseases
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