The passenger was travelling on flight number AI9I837 on a paid ticket.
A passenger on board an Air India flight, which was bound to travel between Delhi and Ludhiana, tested positive for the novel coronavirus on May 26. Following this, all the passengers travelling along on the flight were put under state quarantine, news agency ANI has reported.
According to the report, the passenger - an employee in the security department of Alliance Air - was travelling on flight number AI9I837 on a paid ticket.
The infected person is a resident of Delhi and works as security staff with Air India, reported NDTV citing Deputy Commissioner Pradeep Agrawal, who added that the person had arrived on May 25 by a domestic flight at the Sahnewal Airport.
The COVID-19 patient was sent to a local isolation centre while others were sent on mandatory home quarantine, said the report.
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A vaccine works by mimicking a natural infection. A vaccine not only induces immune response to protect people from any future COVID-19 infection, but also helps quickly build herd immunity to put an end to the pandemic. Herd immunity occurs when a sufficient percentage of a population becomes immune to a disease, making the spread of disease from person to person unlikely. The good news is that SARS-CoV-2 virus has been fairly stable, which increases the viability of a vaccine.
There are broadly four types of vaccine — one, a vaccine based on the whole virus (this could be either inactivated, or an attenuated [weakened] virus vaccine); two, a non-replicating viral vector vaccine that uses a benign virus as vector that carries the antigen of SARS-CoV; three, nucleic-acid vaccines that have genetic material like DNA and RNA of antigens like spike protein given to a person, helping human cells decode genetic material and produce the vaccine; and four, protein subunit vaccine wherein the recombinant proteins of SARS-COV-2 along with an adjuvant (booster) is given as a vaccine.
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It was apparently the second such case after the resumption of domestic air services as IndiGo airline said one of the passengers travelling on its Chennai-Coimbatore flight on May 25 had tested positive for COVID-19.
The budget carrier said the passenger was sitting with all precautionary measures like gloves, mask and face shield. He is currently quarantined at a Coimbatore medical facility.
The 24-year-old man has since been shifted to the ESI Hospital for further treatment, officials said.
Swab test results on May 26 revealed that the 24-year-old man had tested positive for the deadly virus. He was working in the room service wing of a star hotel in Chennai.
"The operating crew has been grounded and home quarantined for 14 days and we are in the process of notifying other passengers as per the government guidelines, to ensure the safety of our passengers and staff," the Indigo airline said.(With inputs from PTI)