See how people improvise to keep coronavirus at bay, but how effective are the measures?

A woman wears a plastic water bottle with a cutout to cover her face, as a preventative measure following a virus outbreak, while walking on a footbridge in Hong Kong.

Several staff members of the St. Jude Family Hospital in Los Baños, Laguna, Philippines are using plastic and trash bags as improvised personal protective equipment to guard themselves against COVID-19 after stocks ran out in stores and in their hospital.

A Colombian student poses for a picture wearing a face mask made with recyclable and biodegradable materials, as a form of protest against the shortage of face masks in pharmacies, in order to prevent the spread of the COVID-19 virus.

A passenger wears a face mask and plastic covers over her clothing and hair, as a precautionary measure against the COVID-19 coronavirus, after arriving at Hong Kong’s international airport.

A passenger wears a face mask and a makeshift plastic visor as a precautionary measure against the COVID-19 coronavirus after arriving at Hong Kong’s international airport.

A man wears a makeshift face mask made from a plastic bottle against the spread of the new coronavirus as he walks along an avenue in downtown in Tegucigalpa.

A Colombian student poses for a picture wearing a face mask made of recyclable and biodegradable materials.

A man protect his face with a plastic bag as he walks in the street in Paris.

A passenger wears a face mask and plastic food bags on her face as a precautionary measure against the COVID-19 coronavirus after landing at Hong Kong’s international airport.

A worker at an information desk wearing protective gear as a preventive measure against the COVID-19 coronavirus looks on at a nearly empty arrivals area at Beijing Capital Airport.

A cleaning staff wears protective gear to disinfect a metro carriage as a prevemtive measure against the spreading of the COVID-19 coronavirus in Addis Ababa, Ethiopia.

A Colombian student poses for a picture wearing a face mask made with recyclable and biodegradable materials that reads 'If I breathe, it will contaminate me'.

A street vendor wears a plastic bag as a preventive measure against the spread of the new coronavirus, COVID-19, in downtown Sao Paulo, Brazil.

A Colombian student poses for a picture wearing a face mask made with recyclable and biodegradable materials.

A woman is seen wearing a mask embellished with petals in the central Iraqi holy city of Najaf amid the COVID-19 coronavirus pandemic.

A colombian students use masks made with recyclable and biodegradable materials.

A man wearing a facemask as a preventive measure against the COVID-19 coronavirus walks at the Summer Palace in Beijing.

A Colombian student poses for a picture wearing a face mask made of recyclable and biodegradable materials.

A woman wearing a facemask in Phnom Penh amid concerns over the spread of the COVID-19 novel coronavirus.

Passengers wear face masks and makeshift plastic visors as a precautionary measure against the COVID-19 coronavirus as they speak to the media after arriving at Hong Kong’s international airport.