Visit our Covid-19 microsite for the latest coronavirus news, analysis and updates


Follow the latest updates of the outbreak on our timeline. Keep track of the Covid-19 Vaccination programme.

The incubation period of the novel Covid-19 coronavirus could be as long as 27 days, noted Reuters citing reports from Chinese provincial government.

In Hubei province, hard-hit by the coronavirus epidemic, an infected 70-year-old man did not exhibit Covid-19 symptoms until 27 days later.

On 24 January, the man had close contact with his infected sister, said Hubei government website. He had a fever on 20 February and received test confirmation the next day.

Currently, the incubation period of the coronavirus, SARS-CoV-2, is considered to be 14 days. Health authorities across countries are adopting a 14-day quarantine period, based on the World Health Organization guidelines.

GlobalData Strategic Intelligence

US Tariffs are shifting - will you react or anticipate?

Don’t let policy changes catch you off guard. Stay proactive with real-time data and expert analysis.

By GlobalData

A longer incubation period would impact the efforts focused on controlling the coronavirus spread.

Earlier this month, a study by Chinese researchers found that the incubation period can be up to 24 days. The median incubation period was found to be three days, with a range of zero to 24 days.

Pharmaceutical Technology Excellence Awards - Have you nominated?

Nominations are now open for the prestigious Pharmaceutical Technology Excellence Awards - one of the industry's most recognised programmes celebrating innovation, leadership, and impact. This is your chance to showcase your achievements, highlight industry advancements, and gain global recognition. Don't miss the opportunity to be honoured among the best - submit your nomination today!

Nominate Now