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COVID-19 Safety and Transmission Guide

COVID-19 spreads mainly through respiratory droplets generated when an infected person coughs, sneezes, or breathes heavily near others. The virus can spread when these droplets reach the eyes, nose, or mouth of people who are nearby or when people touch surfaces contaminated with the virus and then touch their faces. Current evidence suggests the primary way the virus spreads is through close contact with respiratory droplets, though aerosol transmission is also possible in indoor, crowded, and poorly ventilated spaces where infected people spend long periods of time near others. Basic precautions like physical distancing, mask wearing, hand washing, and surface cleaning can help limit the risks of infection.

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52 views2 pages

COVID-19 Safety and Transmission Guide

COVID-19 spreads mainly through respiratory droplets generated when an infected person coughs, sneezes, or breathes heavily near others. The virus can spread when these droplets reach the eyes, nose, or mouth of people who are nearby or when people touch surfaces contaminated with the virus and then touch their faces. Current evidence suggests the primary way the virus spreads is through close contact with respiratory droplets, though aerosol transmission is also possible in indoor, crowded, and poorly ventilated spaces where infected people spend long periods of time near others. Basic precautions like physical distancing, mask wearing, hand washing, and surface cleaning can help limit the risks of infection.

Uploaded by

rogerio fernando
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© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
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Download as DOCX, PDF, TXT or read online on Scribd
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Composition about COVID-19

COVID-19 is a respiratory illness and the primary transmission route is through person-to-
person contact and through direct contact with respiratory droplets generated when an infected
person coughs or sneezes.

There is no evidence to date of viruses that cause respiratory illnesses being transmitted via food
or food packaging. Coronaviruses cannot multiply in food; they need an animal or human host
to multiply.

The most recent advice from the WHO3 is that current evidence indicates that COVID-19 virus
is transmitted during close contact through respiratory droplets (formed on coughing or
sneezing) and by fomites. The virus can spread directly from person-to-person when a COVID-
19 case coughs or sneezes, producing droplets are too heavy to be airborne, they land on objects
and surfaces surrounding the infected person

How does COVID-19 spread between people?

COVID-19 is caused by the SARS-CoV-2 virus, which spreads between people, mainly
when an infected person is in close contact with another person.

The virus can spread from an infected person’s mouth or nose in small liquid particles
when they cough, sneeze, speak, sing or breathe heavily. These liquid particles are
different sizes, ranging from larger ‘respiratory droplets’ to smaller ‘aerosols’.

Other people can catch COVID-19 when the virus gets into their mouth, nose or eyes,
which is more likely to happen when people are in direct or close contact (less than 1
metre apart) with an infected person.

Current evidence suggests that the main way the virus spreads is by respiratory droplets
among people who are in close contact with each other.

Aerosol transmission can occur in specific settings, particularly in indoor, crowded and
inadequately ventilated spaces, where infected person(s) spend long periods of time
with others, such as restaurants, choir practices, fitness classes, nightclubs, offices
and/or places of worship. More studies are underway to better understand the conditions
in which aerosol transmission is occurring outside of medical facilities where specific
medical procedures, called aerosol generating procedures, are conducted.

The virus can also spread after infected people sneeze, cough on, or touch surfaces, or
objects, such as tables, doorknobs and handrails. Other people may become infected by
touching these contaminated surfaces, then touching their eyes, noses or mouths without
having cleaned their hands first
To limit the risks of getting COVID-19 follow these basic precautions:

 Follow local guidance. Check to see what national, regional and local authorities
are advising so you have the most relevant information for where you are.
 Stay at least 1,5 metre away from others, even if they don’t appear to be sick.
 Wear a mask, especially when you can’t physically distance.
 Manage your risks by thinking about location and setting of the event, proximity
to others and time you will be at the event. In other words, consider where you
are going, how close you will be to other people and how long you will be there.
Avoid crowded places and events, poorly ventilated indoor locations and
prolonged contact with others.
 Open windows when indoors to increase the amount of outdoor air..
 Avoid touching surfaces, especially in public settings, because someone with
COVID-19 could have touched them before. Clean surfaces regularly with
standard disinfectants.
 Frequently clean your hands with soap and water, or an alcohol-based hand rub.
If you can, carry alcohol-based rub with you and use it often.
 Cover your coughs and sneezes with a bent elbow or tissue, throwing used
tissues into a closed bin right away. Then wash your hands or use an alcohol-
based hand rub

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