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More than half of Covid-19 transmission comes from people with no symptoms, study suggests

January 8, 2021. Summarized by summa-bot.

Compression ratio: 51.2%. 2 min read.

More than half of Covid-19 cases might have been transmitted by people not showing symptoms, according to a new study from researchers at the US Centers for Disease Control and Prevention.

More than half of Covid-19 cases might have been transmitted by people not showing symptoms, according to a new study from researchers at the US Centers for Disease Control and Prevention.

It’s a model, not a real-life study, but based on data from eight studies done in China, about 59% of all transmission came from people without symptoms, the CDC team found.

The model showed that about 59% of all transmission came from people without symptoms, which broke down to 35% from those who have not developed symptoms yet -- are presymptomatic -- and 24% from people who never develop symptoms.

Of course, the model provides only estimates about the spread of Covid-19 and more research is needed to determine whether the findings would be similar in the real world.

Israel’s Prime Minister Benjamin Netanyahu says he needs just 12 more weeks to vaccinate the entire country, after reaching an agreement with Pfizer that will speed up deliveries into Israel of the US company’s coronavirus vaccine.

Israel is home to nearly 9. 3 million people, according to Israeli government data.

New tougher regulations came into effect across the country at midnight Friday in an effort to bring down what have been rapidly rising numbers of new cases.

Japan's Prime Minister Yoshihide Suga has declared a state of emergency for the nation's capital and surrounding areas as Covid-19 cases surge to the highest levels since the start of the pandemic.

Olympics: Japan's leader stressed that the country still intends to hold the Tokyo Olympic and Paralympic games in July, despite the emergency.

"I am determined to hold safe and secure games by taking all possible measures against the infection," Suga said.

by summa-bot

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