variants

Consequences of the emergence and spread of SARS-CoV-2 variants of concerns BA.4 and BA.5 for the EU / EEA

Consequences of the emergence and spread of SARS-CoV-2 variants of concerns BA.4 and BA.5 for the EU / EEA

Event background SARS-CoV-2 variants BA.4 and BA.5 were first detected in South Africa in January and February 2022. They became the dominant variants in this country in May 2022. [1] and a parallel growing trend in epidemiological indicators such as the number of reported cases and the positivity rate of tests [2]suggested that these two …

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Future booster doses of COVID-19 are likely to require new formulations as new coronavirus variants are still emerging that raise concerns.

Future booster doses of COVID-19 are likely to require new formulations as new coronavirus variants are still emerging that raise concerns.

Having up-to-date information on COVID-19 vaccines means having three or four doses of the same dose at this time. The current boosters are the same formulations as the first permitted injections based on the original coronavirus strain, which appeared in late 2019. It still protects against serious COVID-19 disease, hospitalizations and deaths. But as immunity …

Future booster doses of COVID-19 are likely to require new formulations as new coronavirus variants are still emerging that raise concerns. Read More »