Respiratory

Apart from fall 2020, hip fracture surgery volumes among older individuals were lower than among historic controls until vaccination

More than a dozen research groups have been observing the omicron variant in lab settings using animals this past month

Fewer hospitalizations, reduced severity of illness, lower mortality seen in fourth wave compared with previous waves of COVID-19

Vaccine effectiveness 70 percent compared with 93 percent against hospitalization for COVID-19 during delta predominance

Risk for thrombotic events reduced after 35 days of rivaroxaban compared with no extended thromboprophylaxis

Only one of 272 vaccine-eligible pediatric patients hospitalized with COVID-19 was fully vaccinated

However, numbers of hospitalizations have not yet reached those higher levels

Agency says that antigen tests ‘do detect the omicron variant, but may have reduced sensitivity’