Jennifer Smith on Muck Rack

Jennifer Smith

Honolulu
As seen in: Wiley Online Library, MDPI, Vejon COVID-19 Review, ACS Publications, Smith's Virology Blog, Brownstone Institute, Sooke News Mirror, Grand Forks Gazette, The Keremeos Review, Trail Times and
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Articles

The Herd Immunity Fallacy: Limits, Assumptions, and Reality

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By Jennifer Smith
| Smith's Virology Blog
During the pandemic and in the wake of recent measles outbreaks, many have pointed to the concept of “herd immunity” as a key reason to get vaccinated. This cartoon highlights how herd immunity is sometimes oversimplified or misapplied in discussions about vaccination. When you think of a herd, you probably think of cows, wildebeest or buffalo. In the animal world, there is safety in numbers – more pairs of eyes to look out for predators, for example.
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Hepatitis A Vaccine No Longer Universally Recommended for All Children

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By Jennifer Smith
| Smith's Virology Blog
In young children, most infections are asymptomatic, meaning no noticeable illness occurs. The majority of older children and adults experience a mild to moderate illness which typically lasts a few weeks. Most infections resolve on their own without lasting damage. Hepatitis A rates in the US declined significantly prior to vaccine introduction in 1995. Adults face the highest risk of infection especially those who are experiencing homelessness, using drugs or men who have sex with men.
Open in Who Shared Issue with article?
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By Jennifer Smith
| Smith's Virology Blog
As of early February 10, 2026, South Carolina remains the center of the largest measles outbreak in the US in over 30 years, with 933 confirmed cases. However, there is some key information about this outbreak that is not being reported to the public.
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