Infectious Diseases

Yes. The updated COVID vaccines are showing strong protection against severe disease in the real-world. Several new studies have estimated the effectiveness of the updated (XBB.1.5- targeted) COVID vaccines that rolled out this past fall. In the Netherlands, researchers linked data on hospital admissions to vaccine registry data for people who were at least 60. Their fall Read more…

A new study shows that 66% RSV vaccine coverage could avert over 982,000 outpatient (office and ER) visits, 102,000 hospitalizations, and 8,700 deaths in one RSV season in the U.S. alone. We are really lucky to have the new RSV vaccines in our toolbelt for the first time to face this respiratory virus season. We’ve Read more…

Yes, even if you believe that you never had chickenpox as a kid, you should still get the shingles vaccine. CDC’s recommendation for shingles vaccine is specific about this. The shingles vaccine (Shingrix) is recommended for everyone over age 50 and certain younger people—whether or not they report any history of herpes zoster infection (chickenpox). Read more…

The new RSV vaccine is generally covered by private insurance, Medicare, Medicaid, and the Vaccines for Children (VFC) program, with some conditions. Insurance coverage for the RSV vaccine differs by age. The RSV vaccine is recommended for: infants younger than 8 months during the RSV season whose mothers did not receive the vaccine during pregnancy infants Read more…

A lot more Americans are dying of COVID than the flu. It’s not too late to get your updated vaccine. Winter respiratory illness season is coming on strong. In case you haven’t noticed, there is A LOT of COVID around. I was getting serious Omicron wave vibes the last few weeks as more and more Read more…

Side effects for both RSV vaccinations include the usual injection site pain, feeling tired and achy, and headache. The are nearly always so mild that they do not interfere with usual activities. Side effects for both RSV vaccinations (Arexvy and Abrysvo) are nearly always so mild they do not interfere with usual activities. Rates of Read more…

The most common side effects are the same as earlier versions of the vaccine–rash and soreness at the injection site, headache, fever, and fatigue. Symptoms are typically mild and last 1-3 days. The most common side effects of the updated COVID-19 vaccine are rash and soreness at the injection site, headache, fever, and fatigue. Symptoms Read more…

Everyone ages 50+ and 19+ with a weakened immune system is eligible for the Shingrix vaccine, including people who previously received the one-dose shingles vaccine, Zostavax. Shingrix is a two-dose vaccine that reduces the risk of shingles by more than 90%. Who should get Shingrix? People ages 50+ should get two doses [archived link] of Shingrix. Read more…

Possible safety signals were very, very rare in the RSV vaccine trials, and no surprises have emerged with roughly 12 million Americans having received them so far. There are two new vaccines available to prevent RSV and serious outcomes from RSV, both available in the US for adults aged 60 and up. Both were FDA-approved Read more…

No, in the U.S., COVID-19 vaccines are still free for everyone. They are either covered by your health insurance or by a government program if you are uninsured. With the end of the government’s official pandemic emergency response last Spring, the U.S. government no longer directly purchases COVID-19 vaccines to provide free to the public.  Read more…

4 in 5 people get a sore arm, and 1 in 6 people has a reaction severe enough to send them to bed–like headache, fatigue, muscle pain, or fever. Side effects usually last 1-3 days. One of the reasons people put off getting the shingles vaccine is that they’ve heard the side effects are nasty. Read more…

Both new RSV vaccines are highly effective (over 80%) at preventing RSV disease. As we’ve recently covered, RSV can be a nasty illness for older adults, landing hundreds of thousands in the hospital each year and causing around ten thousand deaths annually in the US. The good news is that there are two new RSV vaccines approved Read more…

Most people just need one dose of the 2023 updated COVID-19 shot. The specific recommendations for various ages, previous vaccine status, and brands are in the tables in this post! Back in September 2023, the CDC recommended that everyone aged 6 months and older get the latest COVID-19 vaccine. People aged 5+ years just need one Read more…