… of 2-m above-ground NCEP-NCAR reanalysis specific humidity [23] for Arizona, Florida,
Illinois, New York state, and Washington state; (E) 1972–2002 average daily values of R 0 (t) …

Few infectious diseases are entirely human-specific: Most human pathogens also circulate
in animals or else originated in nonhuman hosts. Influenza, plague, and trypanosomiasis are …

The novel coronavirus SARS-CoV-2 was first detected in the Pacific Northwest region of the
United States in January 2020, with subsequent COVID-19 outbreaks detected in all 50 …

Importance Efforts to track the severity and public health impact of coronavirus disease
2019 (COVID-19) in the United States have been hampered by state-level differences in …

The SARS-CoV-2 Delta variant rose to dominance in mid-2021, likely propelled by an
estimated 40%–80% increased transmissibility over Alpha. To investigate if this ostensible …

The effectiveness of vaccines against COVID-19 on the individual level is well established.
However, few studies have examined vaccine effectiveness against transmission. We used a …

Importance With the evidence of waning immunity of the mRNA vaccine BNT162b2 (Pfizer-BioNTech),
a nationwide third-dose (booster) vaccination campaign was initiated in Israel …

Background Upcoming vaccination efforts against typhoid fever require an assessment of
the baseline burden of disease in countries at risk. There are no typhoid incidence data from …

Historically, annual rotavirus activity in the United States has started in the southwest in late
fall and ended in the northeast 3 months later; this trend has diminished in recent years. …

Importance Respiratory syncytial virus (RSV) is a leading cause of hospitalizations in young
children. RSV largely disappeared in 2020 owing to precautions taken because of the …