Eid-ul-Adha: NIH points advisory for Congo virus

Distributors offload a cow from a truck at Sohrab Goth sacrificial animal mandi forward of Eid-ul-Adha n Karachi, on June 9, 2022. — INP

ISLAMABAD: Within the wake of Crimean-Congo Haemorrhagic Fever’s (CCHF) transmission and danger due of unfold owing to the anticipated improve in human-animal interplay throughout Eid-ul-Azha, the Nationwide Institue of Well being (NIH) Tuesday issued an advisory pertaining to the virus.

The well being physique stated it was crucial to be vigilant concerning the scenario and take crucial steps to interrupt the transmission of the Congo virus.

Because the prognosis of the primary human case of CCHF in 1976, sporadic instances have continued to happen in varied geographical areas of the nation, the NIH stated.

Though Balochistan stays probably the most affected province, the instances have been reported from throughout the nation yearly.

Balochistan has submitted 19 suspected instances — out of which 14 have been constructive and 5 deaths occurred in 2021.

In 2022, a complete of 4 confirmed instances have been reported — two instances every from Punjab and Sindh.

How does it transmit?

The CCHF virus is transmitted to folks both by tick bites or via contact with contaminated animal blood or tissues throughout and instantly after slaughter.

The transmission to people happens via contact with contaminated ticks or animal blood. CCHF could be transmitted from an contaminated particular person to a different particular person by contact with infectious blood, secretions, or physique fluids.

Hospital-acquired CCHF infections can even happen resulting from improper sterilisation of medical tools, a breach in an infection management practices, reuse of injection needles, and use of contaminated medical provides.


An individual contaminated with the Congo virus mimics indicators and signs of Dengue Hemorrhagic Fever (DHF).

“Contemplating its transmission dynamics (human-to-human) and excessive mortality, it’s crucial to exclude CCHF via a cautious epidemiological historical past/ scientific examination of the affected person whereas strictly observing the prescribed hospital an infection management measures,” the NIH stated.

Suspected: Any particular person with sudden onset of fever over 38C° or extra for greater than three days and fewer than 10 days with hemorrhagic signs and animal contact historical past from a CCHF endemic space.

Possible: A suspected case with a historical past of 10 days of febrile sickness with above talked about scientific presentation and epidemiological hyperlink to CCHF endemic areas.

Confirmed: Suspected/possible case with lab affirmation of CCHF (PCR & serology).

Incubation interval

The NIH stated if an individual is contaminated by a tick chew, the incubation interval is normally 1-3 days, with a most of 9 days. The incubation interval following contact with contaminated blood or tissues is normally 5-6 days, with a documented most of 13 days, it added.

Preventive measures

At present, there isn’t any secure and efficient vaccine broadly obtainable for human use, the NIH famous.

It stated that within the absence of a vaccine, the one strategy to scale back an infection in folks is by decreasing danger components and educating the neighborhood on preventive measures.

Decreasing the chance of an infection transmission from tick-to-human whereas visiting high-risk areas:

  • Put on protecting clothes (lengthy sleeves, lengthy trousers);
  • Put on light-coloured clothes to permit straightforward detection of ticks on the garments;
  • Frequently study clothes and pores and skin for ticks; if discovered, take away them safely;
  • Use accredited acaricides on clothes;
  • Use accredited insect repellent on the pores and skin. Insect repellents are the simplest in avoiding ticks in human populations;
  • Keep away from visiting areas the place ticks are plentiful and seasons when they’re most lively.

Decreasing the chance of an infection transmission from animal to human:

  • Put on gloves and different protecting clothes whereas dealing with animals or their tissues in endemic areas, notably throughout slaughtering, butchering and culling procedures in slaughterhouses or at dwelling;
  • Quarantine animals (presumably 30 days) earlier than they enter slaughterhouses or routinely deal with animals with acaricides previous to slaughter;
  • Inject ivermectin to animals with ticks, 24-30 days earlier than slaughter.

Decreasing the chance of an infection transmission from human to human in neighborhood:

  • Keep away from shut bodily contact with CCHF-infected folks;
  • Put on gloves and protecting tools when taking good care of ailing folks;
  • Wash palms with cleaning soap often after caring for or visiting ailing folks;
  • Observe secure burial practices by avoiding contact with mucus membranes & physique fluids of the deceased affected person and use of acceptable PPEs whereas touching the deceased particular person. 

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