The prevalence of Tetanus in Canada and India

The prevalence of Tetanus in Canada and India A critical comparison of the vaccination and hygienic influences on the prevalence of Tetanus in Canada and India. Tetanus is caused by a toxin, tetanaspasmin, produced by the bacterium Clostridium tetani (Guifoile 2008, p. 10). This toxin affects the inhibiting motor neurons within the body, causing muscle contractions to become erratic and violent. These contractions are extremely painful for the individual suffering them, the contractions being violent enough to cause the strongest of bones in the body to fracture. In the last century, around 1940, the likelihood of death if you contracted tetanus was approximately 90% (Guifoile 2008, p. 10). Over time, however, vaccines and effective treatment options were developed, decreasing the mortality rate of tetanus. The vaccination programs of two countries, Canada and India, are both considerably thorough for the protection against tetanus. Furthermore, Canada has a high standard of hygiene and sanitation, further lowering the risk of tetanus in the country. India, however, does not have as high sanitation or hygiene standards, which may have an eff ect on the protection of tetanus. Both India and Canada follow vaccination procedures in order to prevent tetanus infection. Because of this, tetanus in Canada is quite rare; the PHAC (2014) states that through the years of 1990 and 2010 there were approximately 4 cases per year of tetanus in Canada. In India, though the prevalence of tetanus has declined, it is still a major health problem [] with significant morbidity and mortality due to [] incomplete vaccination (Kole et al. 2013). Skowronksi et al. (2004) reports that in New Delhi, India, 53% of adults were reported to have no protection against tetanus. This is comparable to Canada, in which a study reported that roughly 55% of adults do not have protection against tetanus. Whilst less have gotten vaccinated in Canada compared to the number of adults vaccinated in India, Tetanus is still a threatening disease in India. Considering this, both Indian and Canadian infants are given the tDap/DTap vaccinations. In Canada, routine vaccinations for newborns are given at 2 months of age, then again at 4, 6, 8, and 12-23 months. The Canadian vaccination schedule suggests that children under the age of 6 should be vaccinated more than 20 times (Public Health Agency of Canada (PHAC) 2014). Furthermore, Skowkronski et al. (2004) states that Canadian immunization programs are publicly-funded in all provinces. This is similar to in India, as the National Immunization Schedule ensures all children in the country under the Expanded Program of Immunization (EPI) are immunized free of charge. Moreover, the newborn vaccinations are not done as frequently in India. Newborn children are not vaccinated until 8 weeks of age, then they are again vaccinated at 16 weeks. Another vaccination is given at 15-18 months (Viswanathan 2005). Whilst both Canada and India provide vaccinations against tetanus to newborn children and infants, this may not have any relation to the prevalence of tetanus in India, however, due to the tetanus bacterium being spread only by wound s or fecal-oral transmission (Ji, cited by Mercola 2012). The majority of fields and roads are contaminated with animal feces in India. Because of this, Kole et al. (2013) suggests that the farming population in India should be targeted for complete tetanus immunization as they may be exposed more often to animal feces and contaminated soil. Contrastingly in Canada, there is a largely higher level of hygiene and sanitation; unlike India, human or animal fecal matter does not sit in the streets. As such, the risk of the soil or environment having been contaminated by the tetanus bacteria is low. This may link back to Canadas low prevalence of tetanus despite the lack of vaccinated individuals. As tetanus spreads through fecal matter and the bacterium can reside in the soil, Ji (cited by Mercola 2012) suggests that hygiene, sanitation and proper nutrition should be focused on in order to prevent the transmission of tetanus and other fecal-oral route viruses. This may also reduce the morbidity of tetanus if a person is infected. Ji states: You simply cant vaccinate people out of [unhealthy] conditions, and as Indias new epidemic of vaccine-induced polio cases clearly demonstrates, the cure may be far worse than the disease itself (cited by Mercola 2012). Whilst Ji is discussing the affects of the 2011 polio epidemic in India caused by vaccinations, this statement can still be applied to tetanus as the process of infection is the same: fecal-oral route. However, tetanus can also be transmitted through punctures or wounds (Guilfoile 2008) which strengthens the link between Indias poor sanitation and hygiene and the prevalence of tetanus: many Indian people walk with bare feet, increasing the likelihood of stepping on a stick/nail/other such thing that is contaminated with the tetanus bacterium. Furthermore, according to Guilfoile (2008), has been found [] in the fecal matter of humans and other animals thus leading to the tetanus bacterium being common in the soil in rural areas in the country. Both India and Canada both provide free and routine vaccinations again tetanus (TDap/dTap vaccine), and both countries ensure newborns are vaccinated and are given booster shots. It has been established that both countries have fairly thorough vaccination schedules, though Canadas schedule includes more frequent vaccinations for infants. However, it can be thought that the number of immunizations against tetanus do little to protect against the bacterium that cause tetanus, as these bacteria are transferred via the mouth through fecal matter (Ji, cited by Mercola 2012). It can be concluded that India, due to fecal matter amongst the streets and the generally low standard of hygiene within the country, is an area of which tetanus infection is much more likely, with or without vaccination. Due to Canadas higher sanitation and hygiene levels, despite the lower vaccination rate, tetanus is much less prevalent there and has a lower mortality rate. Word count 968 References Mercola, J 2012, Confirmed: India’s Polio Eradication Campaign in 2011 Caused 47,500 Cases of Vaccine-Induced Polio Paralysis, Mercola, viewed 12 April 2015, http://articles.mercola.com/sites/articles/archive/2012/08/28/polio-eradication-campaign.aspx> Kole, A, Roy, R Kole, D 2013, Tetanus: still a public health problem in India — observations in an infectious diseases hospital in Kolkata, South-East Asia Journal of Public Health, pp. 184-186 Public Health Agency of Canada 2014, Canadian Immunization Guide, Public Health Agency of Canada, viewed 9 April 2015, http://www.phac-aspc.gc.ca/publicat/cig-gci/p04-tet-eng.php> Vijayalakshmi, M 2014, Resources, All For Kids India, viewed 9 April 2015, http://www.allforkidsindia.com/Resources/VaccineOptions.aspx> Vashishtha, V 2011, FAQs on Vaccines and Immunization Practices, Jaypee Brothers Medical Publishers, New Delhi, India, p. 37. Viswanathan, R 2005, Get Your Tetanus Shot Today!, Rediff, viewed 9 April 2015, http://www.rediff.com/getahead/2005/jun/13tetanus.htm> Skowronski, D, Pielak, K, Remple, V, Halperin, B, Patrick, D, Naus, M McIntyre, C 2004, Adult tetanus, diphtheria and pertussis immunization: knowledge, beliefs, behaviour and anticipated uptake, Vaccine, vol. 23, no. 3, pp. 353-361. Guifoile, P 2008, Deadly Diseases and Epidemics: Tetanus, Infobase Publishing, New York, New York, pp. 10-16. This form meets the 2006 requirements of UniSA’s Code of Good Practice: Student Assessment 1

CDR Engineer

I had worked as vascular support engineer to support the cardio vascular imaging systems in the region assigned to me. I had taken the responsibility to manage the overall service delivery and ensure the customer satisfaction to the optimum level. I provided expert phone and/or onsite technical support to field service and customers to minimize equipment downtime while improving customer satisfaction. I had taken additional responsibility to connect and configure all the imaging systems to the remote online centre through broad band and virtual private network connectivity.Since I was the technical support for the region, I had the responsibility to take care of the difficult technical issues which could not be solved by the field service engineers. I had taken initiative to perform the power and grounding audit for the southern region of India. I had been responsible to build the technical support team. i had reported on solid line to the regional service manager and dotted line to all India service manager. I had been assigned to handle and solve the frequent failure in mobile cardiac catheterization imaging system in one of our important end user site.This system had multiple breakdown and image quality issues. I had to solve the issue and bring back the customer confidence level in our equipment quality and service delivery. I had taken it as a challenge and started the work at the site. This Free CDR Template is brought to your courtesy of gettingdownunder. com – Free Australian Immigration advice and resources for those looking to make the move down under. Personal Workplace Activity: Prior to start the service work , i had gone through the service log books and the error log files of the system to know the root cause of the multiple  and frequent failure of the system.The data analysis from the log book and the service files, I found some serious power quality and grounding issue on the site. I had decided to conduct the preliminary power and qu ality audit in the site. I inspected the power distribution panel and found the power cable size was under rated and unable to take the load. During the imaging system usage these power feeding cables started heating up and resulted in cable insulation meltdown. So I recommended to change the power feeding cables with the correct size to withstand the load.I measured the ground impedance and found it extremely high. So I inspected the earth pit and found the bonding between the earth wire and the earth rod open. The electrical maintenance department of the hospital informed and corrective action had been taken immediately. Once the corrective action was taken, I measured the ground impedance again and found within the recommended level. I had booted up the imaging system and run the system diagnostic tests to isolate the problem. From the diagnostic test results, I suspected the problem in the High voltage and the control electronics.The high voltage circuit consists of inverter cir cuit, HV voltage tank with the filament transformer, HV cables for the anode and the cathode, and the x-ray tube. The block diagram as follows Since there was no x-ray output from the tube, I started the troubleshooting from the snubber board which feed the primary side of the HV tank. The snubber board contains four Insulated Gate Bipolar Transistors that switches the very large currents applied to the input of the large step – up transformer in the High voltage tank.This pcb is designed with very low DC resistance and inductance to minimize the voltage drops at high currents. The resistorcapacitor-diode network on the board is used to damp the IGBT switch spikes. P. E. 2. 8 Due to the absence of x-ray generation, the system displayed low MA and low KV error message on the console monitor. This is due to absence of output from the secondary side of the HV tank. So I switched off the entire system and I checked the 400v, 70amps semiconductor fuse on the snubber board and foun d it defective.This fuse might be blown due to the fault current generated from the x-ray tube spit. The x-ray tube spit is generated in the glass tube insert of the x-ray due to the formation of metallization on the glass walls. Then I checked This Free CDR Template is brought to your courtesy of gettingdownunder. com – Free Australian Immigration advice and resources for those looking to make the move down under. resistance between IGBT emitter terminal and the chassis ground with the true RMS multimeter and found short. This indicated the damage of wire insulation in the IGBT.I found both the IGBT module faulty with the emitter to chassis ground short. So I replaced the IGBT module with the new one. After the replacement of IGBT module, I removed the anode and cathode HV cable on the tube side and inspected the HV cable connector and found lot of carbon deposits due to the tube spit. The carbon deposit on the HV cable pins hamper the effective conductivity, so I cleaned th e connectors with Chemotronics Electro-wash solution. I checked the HV receptacle well on the xray tube and found it completely damaged.The insulation between the filament supply and grid was completely lost. So I found it not repairable and the entire x ray tube assembly needed the replacement. I replaced the x-ray tube assembly with the new one. Before the power on, I decided to double check the HV tank which is the main part of HV Circuit. The HV tank develops the extremely high voltage necessary to operate the x-ray tube (up to 125kv). The tank includes resonant step up transformer, high voltage rectifiers, x-ray tube filament transformers, output ma and KV sensors and connectors.I checked the rectifiers and the primary and secondary windings of the transformer for any defect and found everything ok. P. E. 2. 11 Then I decided to do the KV in Open Loop test in HV tank. So I removed the HV cables on the HV tank output and filled the HV tank output receptacle with mineral oil. Lat er I switched on the system and run the KV open loop test and it passed ok. Then I restored the HV cable connection between the tank and the x-ray tube in system off state. P. E. 2. 12 The x-ray tube and IGBT module replacement required the following calibration and adjustments for the normal and safe function of the systemIGBT Module Dead time wave form adjustments Filament Calibration KV and MA metering calibration Radiation dose calibration First I had to adjust the dead time between the KV drives signals on each of the IGBT pairs to proceed with the other calibration properly. The improper dead time adjustment might lead to damage of IGBT and the Generator driver board (which supplies the trigger pulse to the IGBT module). I connected the dual trace oscilloscope on the test points on the Generator driver board and observed the waveform of both the IGBT drive signal.I found the drive signal between the base and emitter of the IGBTs out of tolerance during the peak load. So this m ight lead to cross-conduction in the IGBT module and the destruction of IGBT module. This Free CDR Template is brought to your courtesy of gettingdownunder. com – Free Australian Immigration advice and resources for those looking to make the move down under. The Generator driver PCB’s primary job is to convert the KVP drive signal from the High Voltage Supply regulator PCB to the levels necessary to drive the IGBTs on the SNUBBER PCB.So I connected the oscilloscope in the high voltage regulator PCB test points and found the amplitude and frequency of the waveforms normal. So the root cause was isolated and identified with the Generator driver PCB. The problem was found on two of comparator’s output drives the gate transformers, which provide isolation from the high current circuitry and from high voltages present on each of the IGBT module. The defective comparator IC chips were removed and replaced with the new one. After the replacement of the comparator IC ch ips the drive signals were found normal.I had proceeded with the IGBT dead time adjustment with the scope meter connected with the generator driver PCB and set it within the safer limit. I had checked the waveforms on the scope meter during the peak load condition and found ok. I performed the filament calibration at different KV and Ma station and updated the system filament drive database. This updated database might be used by the filament driver PCB to drive the filament transformer to output correct x-ray tube current according the radiation technique.After the filament calibration, I adjusted the KV and MA metering adjustment to sense and display the correct KV and MA value of X-ray tube on the console during the time radiation exposure. Also I aligned the X-ray beam with the image intensifier in different Field of views. Subsequently I had run the collimator calibration for adjusting the collimator blades in different field of views. The camera Iris opening is adjusted to set the radiation dose at a safer limit recommended by the manufacturer. The image quality was tuned to optimum level. SummaryI had checked and tuned the imaging system for the optimum image quality. I run different exposure techniques with the Image Quality Signature Test Phantom and found the values within the specification. The customer was delighted with the performance and the This Free CDR Template is brought to your courtesy of gettingdownunder. com – Free Australian Immigration advice and resources for those looking to make the move down under. image quality of the system after the completion of the service work. It was a challenge for me to troubleshoot the system with multiple failures.During the course of trouble shooting I analyzed the circuits and isolated the problem areas with the help of the knowledge acquired from my field experience and engineering course. I had learnt and applied different troubleshooting techniques to solve this issues. In nutshell I had cons idered this project as important milestone in my learning process and in my career advancement. This Free CDR Template is brought to your courtesy of gettingdownunder. com – Free Australian Immigration advice and resources for those looking to make the move down under.

Communications Chapter

Interpersonal communication is the way by which we maintain personal relationships. Interpersonal communication occurs most likely with someone that you know, and depends on what you know about them as an individual. 2. True of False: The social information processing theory states that we can communicate rational and emotional messages via the Internet, and that it will not take longer than it would to express these messages with facial expressions and tone of voice. Correct Answer: False (found on page 21) Social media is a huge part of our current culture.People today, especially those of a younger age, often find it normal to document every detail of their daily lives online to share with people they barely know. While social media can be a great way to stay in contact with friends or relatives that live far away, or keep up to date with the lives of those you care about, it is important to remember the value of talking face-to-face. Text messages and tweets can be misinterpreted in their meaning because the reader in unable to hear the one of voice or observe the body language of the sender.These subtle cues are a valuable part of communication, and we have been learning how to interpret them since the daddy were born. 3. The media richness theory suggests that the richness of a communication channel is based on all of the following criteria except: A. The amount of feedback that the communicator can receive B. The number of cues that the channel can convey and that can be interpreted by a receiver C. The variety of language that a communicator uses D. The skill of the communicatorCorrect Answer: D (found on page 21) All of the other options are essential to assessing the value, or richness, of communication. Someone can be a fantastic public speaker, but they will still achieve a less-rich connection over a fax than an average communicator could in a face-to-face conversation. There are so many things that we do in an actual conversation that conveys our emotions or feelings without even realizing it. We may step away when we have somewhere to be, or avoid eye contact when we are uncomfortable.

hardy - 798 Words

Population Genetics / Hardy-Weinberg Problems Directions: Work out the following problems on a separate piece of paper. Show ALL work and circle your answers. 1) If the frequency of a recessive allele is 30% in a population of 100 people, how many would you predict would be carriers of this allele, but would not express the recessive phenotype? q= 0.30 p= 0.70 Carriers = 2pq = 2(.3)(.7) = .42 #= (.42)(100) = 42 individuals 2) From a sample of 278 American Indians, the following MN blood types were obtained: MM = 78, MN = 139, NN = 61. Calculate the allele frequency of M and N. M= 0.53 N= 0.47 MM = 78/278 = 0.281 = p2 p = 0.530 = 53% MN = 139/278 = 0.50 = 2pq q = 0.468 = 46.8% NN = 61/139 = 0.219 = q2 3)†¦show more content†¦Complete the following chart based on this information. The frequency of the (H) allele = 0.7 The total number of homozygous nonallergic Pago Fuagens = 2450 (5000 x 0.49) The frequency of the (h) allele = 0.3 The total number of Pago Fuagans that are carriers of the (g) allele and phenotypically normal = 2100 (5000 x 0.42) The total number of (h) alleles on Pago Fuago = 3000 (10,000 x 0.3) The total number of Pago Fuagens that suffer from thisShow MoreRelatedEssay on Thomas Hardy1663 Words   |  7 Pages Thomas Hardy Thomas Hardy, written by Trevor Johnson, is the detailed journey through the life of one of England’s greatest writers. This biography describes some of the major details of his life such as his family, his education, and his major works. amp;#9;Thomas Hardy was born in 1840 at the Village of Upper Bochampton. He was the child of a country stonemason. Hardy was the third Thomas of his family. 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