Infectious Diseases

A hopeful time for Cryptosporidium research

Boris Striepen of Penn Vet organized the First Biennial Cryptosporidium Meeting, bringing together researchers and clinicians from around the world to discuss the problems and progress around the parasite and the diarrheal disease it causes.

Erica Moser

Uncovering the role of skin microbiome and immune response in cutaneous leishmaniasis

Two new studies led by Phillip Scott of the School of Veterinary Medicine and Elizabeth Grice of the Perelman School of Medicine demonstrate how bacteria found in leishmaniasis skin lesions and an associated immune response drive disease burden and treatment failure—and suggest new possibilities for treatment of the parasitic disease.

Abbey Porter

In the News

CBS News

The mRNA miracle workers

Nobel laureates Katalin Karikó and Drew Weissman of the Perelman School of Medicine appear on “Sunday Morning” to discuss their careers, their mRNA research, and the COVID-19 vaccines.


Minnesota Public Radio

Review of COVID death stats finds likely undercount in official numbers

A paper co-authored by Penn researchers found that COVID-19 deaths in the U.S. were likely undercounted in official statistics during the first 30 months of the pandemic.


Philadelphia Inquirer

Paul Offit looks back on COVID-19, misinformation, and how public health lost the public’s trust in new book

“Tell Me When It’s Over,” a new book by Paul Offit of the Perelman School of Medicine, chronicles the initial years of the COVID-19 pandemic and the mishaps of public health agencies. Recent surveys by the Annenberg Public Policy Center find that mistrust of vaccines has continued to grow through last fall.



How long does the flu last? What to know

According to the University of Pennsylvania Health System, flu symptoms usually appear two to three days after contact with the virus.


USA Today

‘Holding our breath’: Philadelphia officials respond to measles outbreak from day care

Paul Offit of the Perelman School of Medicine explains why measles is so much more infectious than flu.


Daily Mail (U.K.)

Godfather of mRNA vaccines reveals plans to immunize people against cancer years before tumors strike to ‘the disease from ever appearing’

Drew Weissman of the Perelman School of Medicine, who won the Nobel Prize for mRNA vaccines along with Katalin Karikó, is researching an mRNA vaccine against cancer.