Science & Technology Current Affairs - 2020

Science & Technology Current Affairs 2019-2020 category comprises current affairs with all important national / international updates in science and tech and events for the year 2019-2020 for UPSC, States, Civil services, SSC and other competitive examinations of India and States.

A Tiger tests positive of COVID-19 in the US: Zoos on high alert in the country

On April 6, 2020, the Central Zoo Authority of the United States asked all the zoos to stay on high alert after a tiger tested positive of COVID-19. This is the first time COVID-19 infections are reported on an animal.

Highlights

A four-year-old Malayan tiger in the Bronx Zoo of New York has tested positive of Corona Virus.  It is still not known how the disease will develop in cats. This is because different species behave differently. Till date there is no evidence that animals play a major role in COVID-19 transmission. Also, there is no evidence that a human can be infected by the virus from animals.

COVID-19 not air borne

There are no findings till date how the virus transmits between animals and humans. Indian Council of Medical Research has confirmed that there is no evidence that COVID-19 is air borne disease. There are evidences that it spreads only through droplets. The virus spreads through two different types of droplets namely respiratory droplets and droplet nuclei. When the droplets are 5-10 μm in diameter they are called respiratory droplets. When the droplets are less than 5μm in diameter they are called droplet nuclei.

Malayan Tiger

Malayan Tigers or the Southern Indochinese Tiger is a type of tiger sub-species native to Peninsular Malaysia. It is classified as a critically endangered species by IUCN. They are threatened by habitat loss/ fragmentation, poaching, illegal trade for traditional medicine, etc.

Feline Coronavirus

Cats are affected by a specific class of coronavirus called the feline coronavirus. Unlike the SARS CoV 2, feline coronaviruses are transmitted through faecal- oral route. These viruses affect the intestine or peritoneum of cats.

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Prana Vayu: Low Cost Portable Ventilator developed by IIT Roorkee

With only 40,000 ventilators in India, the demand for ventilators are increasing day by day as the number of cases of COVID-19 are increasing day by day. In order to fulfil the demands, IIT Roorkee has developed low cost portable ventilator called “Prana Vayu”.

Highlights

The portable ventilators are highly suited for the modified railway coaches. So far, more than 20,000 coaches have been modified into hospital beds. With increasing demands, around 70 railway coaches are to be modified into isolation wards.

About Prana Vayu

The ventilator delivers required amount of air to the patient based on controlled operation of the prime mover. It controls the flow rates of oxygen in inhalation and exhalation lines by controlling the pressure applied. The ventilator shall be used for all age groups. The major benefit of the design is that the manufacturing time of the ventilator is minimal. The ventilator design was presented to 450 companies at the webinar organized by CII.

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