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Boosters for Pfizer/BioNTech approved for large group of Americans.

Vaccines

DC Director overrules ACIP and also includes those at high risk due to occupational exposures. Update from this week’s ACIP meeting: āž”ļø ACIP recommended 3rd doses for Pfizer/BioNTech recipients 65+ more than 6 months past their 2nd dose, and for persons 18-64 with underlying medical conditions. āž”ļø ACIP voted NO on boosters based on occupational Read more…

Why do children have less severe COVID-19 than adults?

Biology/Immunity Families/Kids Vaccines

A: A better innate immune response may explain milder COVID-19 disease in kids, but they still CAN and DO get infected and transmit SARS-CoV-2, especially the more transmissible Delta variant. šŸ‘‰šŸ½ TL;DR. Children have fewer ACE2 receptors, a more robust innate immune system, and produce more anti-viral proteins (like type 1 interferons) than adults. These Read more…

COVID vaccine does NOT cause testicles to swell or lead to impotence

Uncertainty and Misinformation Vaccines

šŸŒ Apropos of nothing…a Nerdy reminder that the COVID vaccine does NOT cause testicles to swell or lead to impotence. COVID *infection*, on the other hand…. TL;DR: Due to its impact on inflammation and the vascular system, it is biologically plausible that COVID-19 contributes to erectile dysfunction. But as with much COVID-19 research more, ahem, Read more…

What is the difference between ā€˜an additional primary doseā€™ and a ā€˜booster doseā€™?

Vaccines

A. Itā€™s a subtle difference. A booster dose builds up waning immunity in people who made a good immune response to the first vaccine series. A third (or additional) dose helps people who did not make a good response to the first vaccine series and whose immune systems benefit from the additional dose. šŸ‘‰šŸ½TL;DR. A Read more…

Is immunity from natural COVID infection ā€œbetterā€ than vaccine immunity?

Biology/Immunity Vaccines

A: No. Getting vaccinated is by far the safest way to develop immunity to SARS-CoV-2. If youā€™ve already been infected, getting vaccinated still provides you with the best protection-in fact likely *better* than either previous infection or the vaccine alone. A recent study from Israel created waves with findings that people with previous COVID-19 infection Read more…

Should I get the flu shot?

Vaccines

Short answer: Yes! Except for a very few exceptions, flu vaccines are recommended for everyone 6 months and older. Read on for information about what to expect for this yearā€™s flu season, when to get the shot, and why getting the flu vaccine is so important! Sometimes people say ā€œthe fluā€ to mean a bad Read more…