There appears to be a rise in COVID-19 illnesses, driven by Omicron subvariants, which may be better able to evade immunity from vaccines and previous infections and lower public health measures by the public such as masking and social distancing.
CureVac, GSK’s experimental COVID variant vaccine effective in mice – study
B.1.1.7 "Kent" strain (United Kingdom), B.1.1.7 Variant (UK), B.1.621 or “Mu” variant (Colombia), BNT162b2 (Pfizer and BioNTech), Coronavirus Disease (COVID-19) Pandemic, Coronavirus Vaccines, COVID-19 Variant B.1.1.7, COVID-19 Variant B.1.526 (New York), CureVac, Delta Subtype AY.4.2, Delta Variant (B.1.617.2; India), GlaxoSmithKline, mRNA-1273/Moderna COVID-19 Vaccine (Moderna), Omicron (B.1.1.529) (South Africa), Omicron BA.2, Pandemics, R&D, TherapeuticsCureVac and GSK’s second-generation vaccine candidate targeting two recent COVID-19 variants has been shown to be highly effective in preclinical studies on mice, CureVac said, as the biotech firm seeks to catch up with rivals’ development work.
WHO analyzing two new Omicron COVID sub-variants
B.1.1.7 "Kent" strain (United Kingdom), B.1.1.7 Variant (UK), Coronavirus Disease 2019 (COVID-19), COVID-19 cases, COVID-19 Origins, COVID-19 recommendations, COVID-19 transmission, COVID-19 Variant B.1.1.7, Covid-19 Variants, Omicron (B.1.1.529) (South Africa), Omicron BA.2, R&DThe World Health Organization said on April 11 it is tracking a few dozen cases of two new sub-variants of the highly transmissible Omicron strain of the coronavirus to assess whether they are more infectious or dangerous.