Nipah virus: Six suspected patients test negative
New Delhi: Six persons admitted to a quarantine facility at the Government Medical College in Kerala's Ernakulam have tested negative for the potentially deadly Nipah virus, a senior Health Ministry official said Thursday.
The condition of the college student, diagnosed with Nipah infection, is stable and a total of 314 persons who were in touch with the infected person have been kept under observation, the official said.
"The blood and serum samples of all six suspected patients have tested negative for Nipah virus infection," the official said.
The Union Health Ministry has deployed a six-member team comprising an epidemiologist to conduct contact tracing for early detection of suspects and review of isolation facilities.
Union Health Minister Harsh Vardhan, who reviewed the public health measures put in place in Kerala on Wednesday, said the situation is under control and people need not panic.
During the review meeting, the Centre also discussed SOPs for quarantine of symptomatic contacts, sample collection or testing and dedicated isolation facility with trained health staff and epidemiological investigation by multi-disciplinary central team to ascertain the possible source of infection and history of exposure.
A designated control room has been established at the district collector's office and an isolation ward established at the Government Medical College Ernakulam, the Health Ministry said in a statement on Tuesday.
Isolation facilities have also been ensured at medical colleges at Calicut, Thrissur and Kottayam, it said.
All healthcare facilities have been asked to ensure high index of suspicion in cases with similar symptoms and also ensure availability of isolation and emergency management facilities before referral, the ministry said.
According to the WHO, Nipah virus is a newly emerging disease that can be transmitted from its reservoir (natural wildlife host), the flying foxes (fruit bats), to both animals and humans.
Symptoms range from asymptomatic infection, acute respiratory infection and encephalitis. Infected people initially develop influenza-like symptoms of fever, headache, vomiting and sore throat.
This can be followed by dizziness, drowsiness, altered consciousness, and neurological signs that indicate acute encephalitis.
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Nearly 700 km of Karnataka rivers polluted; cities, towns depend on contaminated water
Shivamogga: A total of 693.75 of river stretches across Karnataka are polluted, and water from several of these rivers is being supplied to towns and cities, the State government informed the Legislative Assembly.
According to a report published by The New Indian Express on Monday, replying to an unstarred question by Thirthahalli MLA Araga Jnanendra during the winter session in Belagavi, Forest, Environment and Biodiversity Minister Eshwar Khandre said rivers are classified into five categories, P1 to P5, based on Biochemical Oxygen Demand (BOD) levels, with P1 being the most polluted.
He reportedly said untreated domestic wastewater from urban and rural areas is the main reason for river pollution. Arkavati, Lakshana Teertha, Tungabhadra, Bhadra, Tunga, Cauvery, Kabini, Kagina, Krishna, Shimsha, Bheema and Netravati are the polluted rivers and so far, 112 polluted drainages along these rivers have been identified.
Khandre explained that rivers are classified into five pollution categories P1 to P5. The Arkavati River has been placed in the P1 category, while no rivers fall under P2 and P3. Tungabhadra, Bhadra and Shimsha are categorised under P4, and eight other rivers fall under P5.
Khandre allegedly said domestic wastewater from municipalities, towns and villages along riverbeds is being discharged into at least 17 rivers, identified by the Central Pollution Control Board (CPCB). This is the primary cause of river pollution.
According to the report, the minister said drinking water is being supplied from polluted rivers in districts such as Mandya, Ramanagara, Vijayapura and Shivamogga. In parts of Uttara Kannada, Ballari, Vijayanagara and Bagalkot, local bodies are also drawing water from polluted river sources.
In 2022-23, CPCB identified South Pinakini, Aghanashini, Sharavathi and Gangavali rivers too as polluted. But wrote to CPCB, stating that these rivers are not polluted and sought their removal from the list. An action plan is being prepared for the South Pinakini River, he said.
On remedial measures, Khandre reportedly said the Karnataka State Pollution Control Board is setting up sewage treatment plants as per the directions of National Green Tribunal.
As per the report, under 12 river rejuvenation plans, the state generates 817.31 million litres per day (MLD) of sewage. While 41 STPs with a capacity of 614.1 MLD are operational, 203.21 MLD of sewage remains untreated.
Work is underway to establish 19 STPs with a capacity of 248.91 MLD, while 39 more STPs with a combined capacity of 357.92 MLD are in the planning stage. Progress is being monitored and reported regularly to the NGT and the Union Ministry of Jal Shakti.
The minister reportedly said the state government gave its approval for underground drainage works worth Rs 535.56 crore in 2021 for 24 cities/towns besides Rs 523.80 crore for nine UGD projects.
