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BNN Bloomberg - Canada Business News, TSX Today, Oil and Energy Prices
Get the latest Canadian business news, including TSX updates, changes to oil and energy prices, and Bank of Canada coverage. Explore stock market investing and get expert financial insights on investment portfolio strategies.
European Union regulators warned that frequent COVID-19 booster shots could adversely affect the immune response and may not be feasible.
Repeat booster doses every four months could eventually weaken the immune response and tire out people, according to the European Medicines Agency. Instead, countries should leave more time between booster programs and tie them to the onset of the cold season in each hemisphere, following the blueprint set out by influenza vaccination strategies, the agency said.
