Archived articles

Andrew pekosz

Q+A
What to know about omicron subvariant BA.2
Published March 23, 2022
Even as BA.2 and "deltacron" set off feelings of panic or exhaustion, vaccinations and boosters continue to provide the best protection against severe disease, says Johns Hopkins immunologist Andy Pekosz
Q+A
The latest on omicron
Published Dec 10, 2021
The COVID-19 variant is infecting the vaccinated and spreading quickly around the world. Here's what we know so far.
Q+A
What we know about the omicron variant
Published Nov 30, 2021
With a worrisome number of mutations and a spike of cases in southern Africa, omicron is the latest COVID-19 variant of concern
J&J Vaccine
What you need to know about the Johnson & Johnson vaccine
Published March 3, 2021
The FDA confirmed Emergency Use Authorization after reviewing the safety and efficacy of Johnson & Johnson's vaccine. Here's what you need to know.
Seasonal flu
Fast-spreading mutation helps common flu subtype escape human immune response
Published July 15, 2020
Unlike the novel coronavirus, which has been shown to mutate slowly, strains of influenza virus have acquired a mutation that blocks antibodies from binding to a key viral protein, making vaccine development more complex
Q+A
COVID-19: Immunity and seasonality
Published March 30, 2020
Immunologist Andrew Pekosz discusses urgent questions about the novel coronavirus, including whether anyone is immune to the virus and whether it will ebb in warmer months
Q+A
How Zika virus evolves
Published Feb 4, 2016
Andrew Pekosz on sexual transmission of ths virus and the difficulty of developing effective treatments
Q+A
Ebola's basic biology
Published Nov 4, 2014
School of Public Health professor on how virus infections evolve