Influenza Epidemic and Methicillin Resistant - Staphylococcus Aureus (MRSA)

Specialization among infectious disease experts hasdocumented among Staphylococcus aureus. Originally
worked against an in depth understanding of thehighly susceptible to penicillin type antibiotics (known
complexities of different pathogens workingas beta-lactams and commonly represented by the
cooperatively to cause serious and even fatal humanantibiotic methicillin), many hospital acquired
infections. The anticipated human epidemic of anStaphylococcus aureus are now methicillin resistant. In
avian derived strain of H5N1 influenza should be aaddition, they are resistant to many other types of
wake up call to address this important question.antibiotics commonly used in the hospital setting.
Influenza can render the body particularly susceptibleExamples of resistance to the toxic "antibiotic of last
to certain types of bacteria that can thereby flourish;resort" (vancomycin) are now showing up in
and could potentially become the driving force of aStaphylococcus aureus and other bacteria in certain
continuing worldwide pandemic. Prominent amonghospitals.
these bacteria, are toxin producing StaphylococcusThe PVL toxin producing Staphylococcus aureus has
aureus, some of which can be resistant to variousstarted on the path of becoming antibiotic resistant.
antibiotics, including methicillin.At present most community associated isolates are
Pioneering research during the 1918 influenza epidemicresistant to methicillin (CA-MRSA). In time, they will
clearly identified a virus component as the initiatingsurely become resistant to a wider range of
cause of illness. Yet there are ample indications thatantibiotics by simply exchanging genetic information
bacteria were responsible for "the gravity of thewith hospital associated bacteria (HA-MRSA). The
secondary pulmonary complications," and theonly barrier left to widespread severe infection, is the
"common causes of death." The idea of a mixednormally non-tissue invasive quality of Staphylococcus
infection is contained in the oft quoted letter writtenaureus. Influenza infection can provide such an
by a military physician in 1919.opportunity by destroying the cells lining the air
"Camp Devens is near Boston, and has about 50,000passages. Examples of fatal illness from a combination
men, or did have before this epidemic broke loose....of regular influenza with CA-MRSA have been
This epidemic started about four weeks ago, and hasreported with little emphasis of a portend of what
developed so rapidly that the camp is demoralizedcould occur in the face of an influenza epidemic and
and all ordinary work is held up till it has passed.....multiple antibiotic resistant, PVL toxin producing
These men start with what appears to be anbacteria. Worse still, this is but one example of the
ordinary attack of LaGrippe or Influenza, and whenenormous risks posed by pathogens teaming up in a
brought to the Hosp. they very rapidly develop thebiological warfare against mankind and his animals.
most viscous type of Pneumonia that has ever beenWhat should be done? Foremost is an all out attack
seen. Two hours after admission they have theon the emergence of toxin producing and/or multiple
Mahogany spots over the cheek bones, and a fewantibiotic resistant bacteria. Financial incentives exist
hours later you can begin to see the Cyanosisfor developing additional antibiotics to replace those
extending from their ears and spreading all over thefor which resistance has developed. This approach
face, until it is hard to distinguish the coloured menshould give way to a more common sense approach
from the white. It is only a matter of a few hoursof preventing infection through decontaminating areas
then until death comes, and it is simply a struggle forin which harmful bacteria reside.
air until they suffocate. It is horrible. One can stand itA lack of awareness of decontamination strategies
to see one, two or twenty men die, but to seeamong Government and public health officials is
these poor devils dropping like flies sort of gets onapparent in their recommendations of simply using
your nerves. We have been averaging about 100alcohol hand washing and short acting oxidizing agents
deaths per day, and still keeping it up. There is nosuch as bleach. Far more preferable is to use agents
doubt in my mind that there is a new mixed infectionsuch as phenols and their derivatives that can retain
here, but what I don't know."antibacterial activity over many months. Surveillance
Among the bacteria commonly cultured werefor toxin producing and antibiotic resistant bacteria
Pneumococcus, Streptococcus and Staphylococcus.need to be in place in hospitals and settings where
While H1N1 influenza virus has been retrieved fromlarge numbers of individuals assemble. Examples
victims of the 1918 epidemic, no formal study hasinclude jails, schools, churches, sporting amenities, and
been reported of possible toxin producing bacteriaworkplaces where skin trauma is likely to be
from this period.encountered. A comprehensive hygiene program,
The vast majority of bacteria are essentially harmlesssuch as the one offered by Preventec inc., in Atlanta
to mankind. Bacteria can, however, become infectedGA, should be instituted at such facilities and its
with their own sets of viruses, some of which caneffects monitored.
transfer toxin producing capacities to otherwiseThe benefits of this type of program may well
relatively harmless bacteria. Bacteria viruses can alsoextend to other types of infectious agents, including
transfer the capacity of bacteria to resist certainviruses and fungi. An additional complication of the
types of antibiotics. The combination of toxin1918 influenza epidemic was the subsequent
producing capacity with antibiotic resistance is nowoccurrence of neurological diseases, including a
occurring, especially among Staphylococcus aureus. OfParkinson-like syndrome known as encephalitis
great concern is a toxin complex known aslethargica. Underappreciated research implicated a
Panton-Valintine-Leucocidin or PVL. This toxin canherpes-like virus in this illness. Swine flu vaccination
easily incapacitate the host inflammatory response bytriggered another set of neurological diseases, most
directly killing white blood cells (leucocytes). The toxinprominently a Guillain Barre syndrome that are also
can also destroy otherwise healthy tissues if theconsistent with a virus activation process. Viruses
bacteria producing the toxin can gain entry into thethat are not effectively recognized by the immune
tissues. The PVL toxin was originally detected insystem are prevalent within the community.
antibiotic susceptible bacteria.Termed stealth adapted viruses, they undoubtedly
Antibiotic resistance among bacteria is a consequencecontribute to outbreaks of community acquired
of genetic selection of the surviving bacteria ininfectious illnesses with prominent neurological and/or
patients treated with various antibiotics. Thesepsychiatric manifestations. Bacterial genes have been
resistance genes become commonplace especially ifidentified in cultures of stealth adapted viruses and
carried by bacteria infecting viruses. The emergenceatypical bacteria have been isolated from stealth
of these bacteria is mainly seen in hospitals and otheradapted virus infected patients. The term viteria
healthcare facilities. Indeed, a major risk factor fromrefers to viruses capable of breaching the genetic
hospital admission is acquiring a multiple antibioticbarrier between bacteria and human or animal cells.
resistant bacterial infection. The phenomenon is well