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Saturday, November 18, 2006

 

Pantaloon Retail to setup subsidiary for office supplies

Pantaloon Retail to setup subsidiary for office supplies, to form subsidiary in Hongkong
Pantaloon Retail India Ltd has announced that the Board of Directors of the Company at its meeting held on November 17, 2006, inter alia, has taken the following decisions:1. Board has approved the formation of a subsidiary Company for carrying on business in office supplies and approved investment upto Rs 17.50 crores in it; and2. Board has also approved the formation of a subsidiary Company in Hongkong to source products from abroad and approved an investment of upto US$ 1 million.

 

Ruchi Soya Industries Board to recommend dividend

Ruchi Soya Industries Board to recommend dividend
Ruchi Soya Industries Ltd has announced that a meeting of the Board of Directors of the Company will be held on November 28, 2006, inter alia, to consider the following:1. Approve annual accounts for the financial year ended March 31, 2006.2. To recommend Dividend, if any, for the financial year ended March 31, 2006.3. To fix the date, time and venue of 20th Annual General Meeting of the Company


Friday, November 17, 2006

 

Chikungunya

Chikungunya is a relatively rare form of viral fever caused by an alphavirus that is spread by mosquito bites from the Aedes aegypti mosquito, though recent research by the Pasteur Institute in Paris claims the virus has suffered a mutation that enables it to be transmitted by Aedes albopictus (Tiger mosquito). This was the cause of the actual plague in the Indian Ocean and a threat to the Mediterranean coast at present, requiring urgent meetings of health officials in France, Italy, and Spain.

The name is derived from the Makonde word meaning "that which bends up" in reference to the stooped posture developed as a result of the arthritic symptoms of the disease. The disease was first described by Marion Robinson [1] and W.H.R. Lumsden[2] in 1955, following an outbreak on the Makonde Plateau, along the border between Tanganyika and Mozambique, in 1952. Chikungunya is closely related to O'nyong'nyong virus[3].

Chikungunya is generally not fatal. However, in 2005-2006, 200 deaths have been associated with chikungunya on Réunion island and a widespread outbreak in India (especially in Tamil Nadu, Karnataka, Kerala, and Andhra Pradesh). Andhra Pradesh saw a huge outbreak which spread to neighbouring states. As of September 2006, after the flood and heavy rains in Rajasthan in August 2006, India, thousands of cases have been detected in Rajsamand, Bhilwara, Udaipur, and Chittorgarh districts and also in adjoining regions of Gujarat and Madhya Pradesh. European Network for Diagnostics of "Imported" Viral Diseases (ENIVD)claims new phylogenetic variants of virus which are fatal are identified in reunion islands. As of October 12, 2006 in the southern Indian state of Kerala, 125 deaths are attributed to Chikungunya and majority of the casualties were reported in the district of Alapuzha [mainly in Cherthala Taluk]. This latest outbreak in Alappuzha is supposed to have transferred from Parassala, the southernmost point of Kerala state where a recent outbreak was reported before the episodes of Alappuzha started. Kerala government has termed this as an epidemic outbreak, whereas the Tamil Nadu government has denied that the deaths caused in the state were due to chikungunya.

Contents

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[edit] Symptoms

The Aedes aegypti mosquito
The Aedes aegypti mosquito

The symptoms of Chikungunya include fever which can reach 39 °C, (102.2 °F) a petechial or maculopapular rash usually involving the limbs and trunk, and arthralgia or arthritis affecting multiple joints which can be debilitating. The symptoms could also include headache, conjunctival infection, and slight photophobia. In the present epidemic in the states of Andhra Pradesh and Tamil Nadu, India, high fever and crippling joint pain are the prevalent complaint. The fever typically lasts for two days and abruptly comes down. However, other symptoms, namely joint pain, intense headache, insomnia and an extreme degree of prostration last for a variable period, usually for about 5 to 7 days.

Dermatological manifestations observed in a recent outbreak of Chikungunya fever in Southern India (Dr. Arun Inamadar,Dr. Aparna Palit, Dr.V.V . Sampagavi, Dr. Raghunath S, Dr. N.S. Deshmukh), Western India (Surat) (Western India reported by Dr. Buddhadev) and Eastern India (Puri) (Dr. Milon Mitra et al) includes the following:

Pedal oedema (swelling of legs) is observed in many patients, the cause of which remains obscure as it not related to any cardiovascular, renal or hepatic abnormalities.

[edit] Treatment

There is no specific treatment for Chikungunya. Vaccine trials were carried out in 2000, but funding for the project was discontinued and there is no vaccine currently available. A serological test for Chikungunya is available from the University of Malaya in Kuala Lumpur, Malaysia.

Chloroquine is gaining ground as a possible treatment for the symptoms associated with Chikungunya and as an antiviral agent to combat the Chikungunya virus. According to the University of Malaya, "In unresolved arthritis refractory to aspirin and nonsteroidal anti-inflammatory drugs, chloroquine phosphate (250 mg/day) has given promising results." [1] Research by Italian scientist, Andrea Savarino, and his colleagues in addition a French government press release in March 2006 [2] have added more credence to the claim that chloroquine may be effective in treating Chikungunya. The CDC fact sheet on Chikungunya advises against using Aspirin. Ibuprofen, Naproxen and other non-steroidal antiinflammatory drugs are recommended for arthritic pain and fever.

Infected persons should limit further exposure to mosquito bites, stay indoors and under a mosquito net. Further, "supportive care with rest is indicated during the acute joint symptoms. Movement and mild exercise tend to improve stiffness and morning arthralgia, but heavy exercise may exacerbate rheumatic symptoms." [3]

The Homoeopathic system of medicine claims to have medicines as well as preventives against this diaease.The effect of these medicines are not scientifically proved. They claim to have used these effectively in recent out breaks in Kerala state of India.

The unani medicines (Herbal) are giving much relief in joint pains. [4]

[edit] Epidemiology

Chikungunya was first described in Tanzania, Africa in 1952. An outbreak of chikungunya was also discovered in Port Klang in Malaysia in 1999 affecting 27 people [5] [6].

[edit] Preventive measures

The most effective means of prevention are those that protect against any contact with the disease-carrying mosquitos. These include using insect repellent containing DEET or permethrin, wearing long sleeves and pants, and securing screens on windows and doors. It's also important to empty stagnant water where mosquitoes breed. [7] .

[edit] Linguistic derivation

According to Lumsden's initial 1955 report about the epidemiology of the disease, the term chikungunya is derived from the Makonde root verb kungunyala, meaning to dry up or become contorted. In concurrent research, Robinson glossed the Makonde term more specifically as "that which bends up." Subsequent authors apparently overlooked the references to the Makonde language and assumed that the term derived from Swahili, the lingua franca of the region. The erroneous attribution of the term as a Swahili word has been repeated in numerous print sources; Google lists over 15,000 results in a search for "chikungunya swahili". Many other spellings and forms of the term are in common use including "Chicken guinea" and Chickengunya.

[edit] See also

[edit] Notes

  1. ^ Robinson Marion (1955). "An Epidemic of Virus Disease in Southern Province, Tanganyika Territory, in 1952-53; I. Clinical Features". Trans Royal Society Trop Med Hyg 49 (1): 28-32.
  2. ^ Lumsden WHR (1955). "An Epidemic of Virus Disease in Southern Province, Tanganyika Territory, in 1952-53; II. General Description and Epidemiology". Trans Royal Society Trop Med Hyg 49 (1): 33-57.
  3. ^ Vanlandingham DL, Hong C, Klingler K, Tsetsarkin K, McElroy KL, Powers AM, Lehane MJ, Higgs S (2005). "Differential infectivities of o'nyong-nyong and chikungunya virus isolates in Anopheles gambiae and Aedes aegypti mosquitoes". Am J Trop Med Hyg 72 (5): 616-21. PubMed.









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