< Distance

What is the recommended distance between two people?

Text updated on 2020-04-26

The recommended social distance by the World Health Organization is at least 1 meter, to be adapted according to the ventilation or breathing patterns of each person.

In order to prevent one person carrying the virus from infecting another, it is important to maintain a certain distance. The recommended distance varies from country to country:

Canada, Government of Canada: 2 m

Japan, Ministry of Health, Labour and Welfare: 2 m

United States, Centers of Disease Control and Prevention: 1.8 m (6 feet)

Australia, Australian Government of Health: 1.5 m

Germany, Die Bundesregierung: 1,5 m

Netherlands, Rijksinstituut voor Volksgezondheid en Milieu: 1,5 m

Belgium, National Security Council: 1.5 m

France, French Government: 1 m

Italy, Italian Government: 1 m

Singapore, Ministry of Health: 1 m

(last accessed 25 April 2020)

In reality, the distance to be respected depends on the conditions.

In the presence of wind outside or draughts in a room, airborne viral particles do not stagnate in the air, so the risk of contamination is less than in a confined room or in a taxi.

In all cases, avoid staying in the direct airflow of another person. If you can smell the other person's breath, you are inhaling what they are exhaling including their viral particles, so move away.

When a person speaks loudly, runs, rides a bike or is out of breath, they expel droplets and particles with more force so it is best to increase the distances.

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Fine droplets carrying pathogens emitted by a sneeze can travel up to 8 meters in a few seconds/minute through a room.

BOUROUIBA, Lydia. A sneeze. New England Journal of Medicine, 2016, vol. 375, no. 8, p. e15.

In an air-conditioned restaurant on the 5th floor, a pre-symptomatic COVID-19 person contaminated at least two other people more than 2 meters away who were eating at nearby tables.

Lu, J., Gu, J., Li, K., Xu, C., Su, W., Lai, Z., ... & Yang, Z. (2020). COVID-19 Outbreak Associated with Air Conditioning in Restaurant, Guangzhou, China, 2020. Emerging Infectious Diseases, 26(7).

Using a laser beam, researchers have observed that saying the words "Stay Healthy" generates thousands of droplets of saliva that are otherwise invisible to the naked eye. A homemade wet cloth mask significantly reduces droplet excretion.

Anfinrud, P., Bax, C. E., Stadnytskyi, V., & Bax, A. (2020). Could SARS-CoV-2 be transmitted via speech droplets?. medRxiv.

A study in a Chinese hospital revealed that the SARS-CoV-2 virus disperses within a 4-meter radius around COVID-19 patients.

Guo, Z. D., Wang, Z. Y., Zhang, S. F., Li, X., Li, L., Li, C., ... & Zhang, M. Y. (2020). Aerosol and surface distribution of severe acute respiratory syndrome coronavirus 2 in hospital wards, Wuhan, China, 2020. Emerging infectious diseases, 26(7).

Further reading

What is the purpose of social distancing?

Why put on a mask?