Editor's note: The Swiss Federal Office of Public Health has since publication retracted these figures, saying it made a mistake in its calculation. Families, not nightclubs, are the biggest source of coronavirus infections. Read the updated news here.

New research from the Swiss Federal Office of Public Health shows how coronavirus spreads throughout the community, with nightclubs, bars and restaurants the main infection points. 

The figures, provided to the Swiss public broadcaster, show that 42 percent of new infections in Switzerland over the past two weeks came from nightclubs. 

A further 27 percent came from bars and restaurants – meaning that 69 percent of all new infections over the past fortnight have come in either nightlife venues or gastronomy. 

Just over 12 percent came from a family member, while 8 percent of infections came from medical personnel. 

The news comes amid admissions from Swiss officials that nightclubs were opened too early. 

Swiss authorities: 'We opened bars and nightclubs too early' 

Since nightclubs were allowed to reopen with up to 300 guests in Switzerland on June 8th, there have been a number of outbreaks, forcing hundreds into quarantines. 

Several cantons have wound back the numbers of people allowed in nightclubs, while others have told revellers to wear masks.

All nightclub attendees are still required to keep 1.5 metres distance from each other at all times in Switzerland.