COVID-19: Omicron BA.4 and BA.5 variants, not more severe or transmissible, so far

Last week saw the lowest number of COVID-19 deaths since the early days of the pandemic, but some countries are still witnessing ‘serious spikes’ which are putting pressure on hospitals. “Our ability to monitor trends is compromised as testing has significantly reduced”, the UN World Health Organization’s (WHO) director told journalists in Geneva. Tedros Adhanom […]

COVID-19: Omicron BA.4 and BA.5 variants, not more severe or transmissible, so far

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