Covid: scientists warn UK may have worst to come; Israel tightens vaccine passport rules – as it happened

Fears the indoor socialising will spread virus in UK; Israel says people only eligible for green pass if they have received a booster jab. This live blog has closed - for the latest on the global Covid situation, please see our dedicated page

• UK might not be over the worst, scientists warn
• New Zealand widens Covid lockdown as Delta spreads
• UK to slash international travel red list' to just nine countries
• Like drink-driving': Jurgen Klopp says anti-vaxxers endanger others

Intensive care units at hospitals in New England, in north-east US, are filling up again and staff shortages are affecting care, according to Associated Press.

Public officials have been pleading with unvaccinated people to get vaccinated, and health care workers are also now having to cope with demand for other types of care that has been delayed by the pandemic.