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Zika virus cases reach 72 in Jaipur

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Zika Virus

Jaipur, Oct 15 : The number of people infected with the Zika virus rose to 72 in Jaipur, officials from the health department said on Monday.

The number of people carrying the virus was put out after a review meeting chaired by Additional Chief secretary (Health) Veenu Gupta.

The officials informed that 280 teams were surveying the affected areas by visiting each and every house. Around 96,000 houses had been surveyed till date.

Since Sunday, the health department has started issuing challans against owners of houses where larvae of the mosquito that transmits the virus were found.

The virus is transmitted through the Aedes Aegypti Mosquito. It causes fever, skin rashes, conjunctivitis, and muscle and joint pain. It is particularly harmful to pregnant women, as it can lead to microcephaly, a condition in which a baby’s head is significantly smaller than expected upon birth.

Till Monday evening, 68 such challans were issued and penalties of Rs 44,000 were imposed.

Screening and anti-larvae measures are continuing in the capital city. The samples are also being collected from those suffering from fever, the officials said.

The people in the affected areas are being advised to temporarily suspend water storage, and the same is being supplied via tankers.

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Slow reading speed linked to dry eyes: Study

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Slow reading study
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New York, Nov 17: People suffering from chronic dry eye disease are likely to have a slow reading rate, according to researchers.

The chronic dry eye is a common disease in which natural tears fail to adequately lubricate the eyes, thus drastically affecting its functioning.

The study found that the condition can slow a person’s reading speed by as much as 10 per cent and can make it difficult to read for more than an average of 30 minutes.

Those with clinically significant dry eye could read fewer words per minute — 32 words per minute less — than those without the condition, who read at the same rate of 272 words per minute.

“We suspected that people with dry eye were mostly unable to sustain good reading performance because their tears cannot re-lubricate their eye surfaces fast enough,” said Esen Akpek, from the Johns Hopkins Wilmer Eye Institute in the US.

For the study, published in the journal Optometry and Vision Science, the team included 186 adults aged 50 or older.

The participants had not used prescription or over the counter eyedrops in the 24 hours before testing.

Importantly, all participants responded to eye discomfort vision quality and environmental contributors to eye complaints, such as wind or smoke.

People who experience frequent dry eye symptoms such as stinging, fluctuating vision and dryness can try over the counter eyedrops, but will do best if they undergo professional testing and diagnosis, said Akpek.

IANS

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Obese teenagers can face pancreatic cancer risk

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Pancreatic cancer

New York, Nov 12: If your teenager or young adult child is obese, he or she can be at four-times the risk of developing pancreatic cancer later in life, new research warns.

Researchers from the Tel Aviv University analysed 1,087,358 Jewish men and 707,212 women between 16 to 19 years for the study published in the journal CANCER.

It showed that overweight and even higher weight within the “normal” weight range in men may increase pancreatic cancer risk in a graded manner.

Compared with normal weight, obesity was associated with a 3.67-times higher cancer risk among men and a 4.07-times higher risk among women, the report said.

In addition, high-normal BMI and overweight men were associated with 49 per cent and 97 per cent higher risks for cancer, respectively, as compared to those with low-normal BMI.

Pancreatic cancer is the sixth most common cause of cancer-related deaths in the world and adult obesity has been linked with an increased risk for its occurrence.

It has an extremely low survival rate which has barely improved over the last 40 years.

The combination of complex chemical, biological, bio-mechanical and structural factors found in pancreatic cancer tissues makes it difficult to treat.

Systemic inflammation caused by obesity is a potential driver behind the development of pancreatic cancer. Thus, managing weight could help reduce the risk, the researchers noted.

IANS

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Salmonella resistant to different antibiotics: Study

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New York, Nov 11 : Salmonella, a common bacteria that causes foodborne diseases, are resistant to several antibiotics used to treat infections, suggests new research.

For the study, the researchers sequenced and investigated the genomes of 90 strains of a specific serological variant (serovar) of Salmonella enterica known as S. Typhimurium.

When the action of antibiotics in each of the 90 strains was tested, it was discovered that the vast majority were resistant to different classes of antibiotics that are part of the arsenal of medicine.

The study, published in the journal PLOS ONE, also identified 39 genes responsible for resistance to antibiotics.

“It is striking that S. Typhimurium is resistant to antibiotics that can be used to treat the disease. These drugs are available to physicians for use in combating infections that display resistance,” said Amanda Aparecida Seribelli from the University of Sao Paulo in Brazil.

Salmonella comprises two species, S. bongori and S. enterica. The latter is the type species, with a large number of subspecies and serovars that cause more foodborne infections than any other species in Brazil and worldwide.

The human and animal intestinal tract is the main natural reservoir for this pathogen, with poultry, pork and related food products serving as major transmission vectors.

The six subspecies of S. enterica are subdivided into 2,600 serovars.

The most important subspecies of S. enterica from the epidemiological standpoint is S. enterica subspecies enterica, which causes the foodborne infection known as salmonellosis. The symptoms are diarrhoea, fever, stomach cramps and vomiting.

The most frequently isolated serovars of this subspecies are S. Typhimurium and S. Enteritidis.

All the 90 strains analysed in the study belonged to S. Typhimurium.

Whole-genome sequencing of the main bacteria that cause acute diarrohea was the focus of the research.

According to the study, 65 of the strains proved resistant to sulfonamides, 44 to streptomycin, 27 to tetracycline, 21 to gentamicin and seven to ceftriaxone, a cephalosporin antibiotic.(IANS)

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