The Centers for Disease Control and Prevention reported that Covid-19 related deaths were up 10.5% the first week in September.
Covid-19 cases are once again on the rise. The Centers for Disease Control and Prevention recently reported that Covid-19 related deaths were up 10.5% the first week in September. Likely driven by new variants that are more transmissible and able to evade prior immunity, rates are set to increase further as the nation heads into the fall and winter months. But on
In contrast to last fall's booster that was designed to target both the original strain of SARS-CoV-2 and the omicron BA.4/5 variant, the latest mRNA vaccines are monovalent, meaning that they target a single variant . The update is needed due to the large number of mutations that are present in recent omicron sublineages compared to the strains included in last year's booster.
show the new vaccines to be effective at eliciting a strong immune response against the currently circulating strains.The Covid-19 vaccines have been highly successful at reducing the rates of severe disease, hospitalization and death. But three-and-a-half years into the pandemic, we know that protective immunity is not long-lived. The immune system needs a periodic reminder to produce antibodies that are more specific to new strains of the virus.
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