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Diphtheria cases surge 84% in two months; north Karnataka worst hit

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The Times Of India
13th October, 2019 09:51 IST

BENGALURU: The number of diphtheria cases has gone up 84% in less than two months — from 251 in mid-August to 464 as on October 12. Districts in North Karnataka are particularly affected.

2019 has witnessed more cases as compared to the previous two years: 203 were reported in 2017 and 115 in 2018.

It may be recalled that over 25 students of Gulbarga Institute of Medical Sciences had tested positive for diphtheria in the first week of September, which is said to be the largest outbreak in recent years.

The state-run Indira Gandhi Institute of Child Health (IGICH) in Bengaluru has seen 42 cases of diphtheria referred from North Karnataka since April 2019. A severe infection can cause complications of the heart muscle, which was seen in 12 of the 42 cases, said Dr Sanjay KS, director, IGICH. “The cases have increased this year compared to previous years. Severe infection can affect heart functioning. Such patients need treatment for multiple weeks. No deaths due to diphtheria have been reported,” said Dr Sanjay.

According to him, diphtheria was seen among children who were vaccinated but may have missed the booster dose. “The outbreak suggests the vaccine itself is not enough and administration of the booster dose is equally important. There is lack of awareness in North Karnataka districts of Kalaburagi, Ballari and Raichur, from where cases are referred to IGICH,” added Dr Sanjay.

Diphtheria vaccine (pentavalent) is administered six, 10 and 14 weeks after the child’s birth and DPT (diphtheria, pertussis, tetanus) booster dose-1 at 18 months. The second booster dose is given when the child is aged 5-6. More booster doses are administered in the form of TD vaccine (tetanus, diphtheria) at the ages of 10 and 16.

Pankaj Kumar Pandey, commissioner, health and family welfare department said that the government has initiated measures to tackle spread of the infection. The health department will start a DPT/TD vaccination campaign from December 11-31 in the worst-hit North Karnataka districts. “The campaign will target all children in the age group of 5-16 in eight districts: Raichur, Yadgir, Kalaburagi, Bidar, Vijayapura, Bagalkote, Koppal and Chitradurga. It will focus on children in schools and anganwadis and even those out of schools. In the remaining districts of the state, the drive will target children aged 5-6 years (DPT vaccine), 10 and 16 (TD vaccine),” said Pandey.

Though the state was earlier facing a shortage of vaccines, the commissioner said Karnataka’s request for supply has been approved by the Union health ministry. “Currently, we have no vaccine shortage,” he said.

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