Two passengers who arrived at the NSCBI Airport from Bangkok have tested positive for the novel coronavirus, Airports Authority of India officials said on February 13.
With this, a total of three passengers have tested positive for the novel coronavirus in Kolkata.
A passenger called Himadri Barman tested positive on Tuesday, and Nagendra Singh tested positive on Wednesday, the Director of NSCBI Airport, Kaushik Bhattacharjee, told PTI.
Both of them were sent to Beliaghata ID Hospital, he said.
"Earlier a passenger called Anita Oraon had also tested positive during thermal scanning," Bhattacharjee said.
Frequently Asked Questions
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.
Vaccine development is a long, complex process. Unlike drugs that are given to people with a diseased, vaccines are given to healthy people and also vulnerable sections such as children, pregnant women and the elderly. So rigorous tests are compulsory. History says that the fastest time it took to develop a vaccine is five years, but it usually takes double or sometimes triple that time.
Meanwhile, another passenger onboard a SpiceJet flight operating between Bangkok and Delhi was suspected of having contracted the COVID-19. He was thus quarantined at the Delhi airport.
Already two airlines which had direct flights between Kolkata and China have suspended their flights.
Low cost carier IndiGo has temporarily suspended its flights between Kolkata and Guangzhou from February 6.
"In line with the WHO guideline to contain the spread of coronavirus, IndiGo will be suspending its Kolkata- Guangzhou service from February 6, 2020 to February 25, 2020 and Guangzhou-Kolkata from February 7 till February 26," the airline had said in a statement.
After IndiGo, China Eastern Airlines suspended its flights between Kolkata and Kunming in China from February 10 to February 29.
Passengers of flights coming to Kolkata from Kunming and Guangzhou in China, Hong Kong, Singapore and Bangkok were being screened since January 17.
At present, passengers arriving from Hong Kong, Singapore and Bangkok are being screened as no flights are operating to and from China.