NearABE t1_ixtbdl2 wrote
Reply to comment by me_and_myself_and_i in China's widening COVID curbs trigger public pushback by reuters
That website is horrible.
https://www.cdc.gov/mmwr/volumes/71/wr/mm7148e1.htm
>...New Covid boosters work better against infection than previous shots...
This word "infection".
Ann gets sick. Gives it to Bob who gives it to Chris who passes to Dave who gives it to Edna who passes to Frank. All these people got vaccinated. They are not dead. None went to the hospital. Chris and Edna do not even know they are sick. CDC and Pfizer are claiming this as "effective against infection". Now Frank gives me covid19 at work and I give it to my wife. This story pisses me off.
"Transmission" is a much better word. We will probably soon have data on the bivalent booster's effect on transmission. A even better term is "secondary attack rate" or "SAR". If one person in a household is sick with ba5 strain what are the odds that a second person living in that household gets sick. Specifically if the primary infected person had the shot how much does that reduce the likelihood of a secondary?
Viruses have a reproduction number. A strategy defeats an epidemic if the combination of measures reduces the reproduction number below 1.0.
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