Introduction: Two doses of inactivated SARS-CoV-2 vaccine CoronaVac cannot elicit high efficacy against symptomatic COVID-19, especially against the Omicron variant, but that can be improved by a ...

Fueled by a highly transmissible subvariant of the COVID-19 Omicron variant, known as BA.5, SARS-CoV-2 infections are on the rise again. Even situations that have seemed to carry a relatively low risk ...

But there is still reason to be cautious. The highly transmissible and contagious BA.2 Omicron subvariant—dubbed “stealth” Omicron—is now the dominant strain in the United States, causing more than 85 ...

We thus provide a tutorial for investigating this using GAMLSS (Generalised Additive Models for Location, Scale and Shape). The 1970 British birth cohort study was used, with body mass index (BMI; N = ...