How do people catch coronavirus? What we know so far

How do people catch coronavirus? What we know so far || NeoDrafts

  • Author : Jasmine
  • Published : July 28, 2020

How do people catch coronavirus? What we know so far

How do people catch coronavirus? The modus operandi is getting clearer. In most cases, SARS-CoV-2, the coronavirus that causes Covid-19, spreads through close personal contact via tiny particles emitted when an infected person coughs, sneezes, speaks, sings — or even usually breathes. They may infect another person by falling into the eye, nose, or mouth, by inhaling or sticking to the hand and moving to one of these places of entry. Below is an overview of the process of contagion and other mechanisms under investigation.

Respiratory droplets

These splashes of virus-charged liquids of varying sizes, expelled from an infected person in a tumultuous gas cloud, are thought to be the main route. The dry, moist atmosphere inside the gas cloud slows the evaporation. While airflow helps to move the payload of virus-bearing droplets farther than if they were outside the bubble.

Droplets may contaminate surfaces as they settle, forming what is called a “fomite.” Much less likely, transmission can occur when a hand contacts a fomite, such as a doorknob or a utensil, and then comes into contact with the mouth, nose, or eyes.

Small Aerosolized Parts

The smallest particles released by an infected person can move upward in gas clouds tens of meters away from where they began. Indoor and enclosed conditions without sufficient ventilation and air-filtration cause these microdroplets to float longer. At the same time, their small size increases their risk of inhalation, potentially causing a more severe infection. However, evidence for airborne transmission is still evolving and incomplete. Scientists who have deliberately detected an active SARS-CoV-2 aerosol will remain in the air for up to 3 hours. The World Health Organization claimed that the experiment did not represent usual coughing or clinical settings but later acknowledged that the risk of airborne transmission could not be ruled out.

Food and drink

The WHO has confirmed that it is “extremely unlikely” that people will contract Covid-19 from food or food packaging; the U.S.A. authorities have agreed. Still, the WHO advises that people who handle food practice good hygiene. It includes regularly washing and disinfecting work surfaces, to reduce the risk of contamination. According to the U.S.A. authorities, there were no glimpses of coronavirus in public drinking water sources. Conventional forms of treatment that include filtration and disinfection can kill or inactivate the virus.


Another potential route of transmission happens when contaminated people incorrectly wash their hands after using the toilet. They touch the surfaces that others come into contact with. Several patients were having viable virus particles in their urine. The WHO has confirmed that the faecal-oral route is not a major pathway for the novel coronavirus.


After the infection in infants born to mothers with a disease in China, there is a possibility that the virus might attack the uterus. Also, subsequent studies have reached different conclusions. One looked at nine infected women who had given birth to uninfected babies. Scientists have found no virus in amniotic fluid, cord blood, baby’s throat, or breast milk. It indicates that transmission from mother to infant occurs through respiratory droplets. Physicians in China, however, documented the case of a mother with Covid-19 whose baby had increased antibody levels two hours after birth.

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