The epidemic streets: infectious disease and the rise of preventive medicine, 1856–1900

Dynamics of a Delayed Epidemic Model with Beddington-DeAngelis ‎Incidence Rate and a Constant Infectious Period

In this paper, an SIR epidemic model with an infectious period and a non-linear Beddington-DeAngelis type incidence rate function is considered. The dynamics of this model depend on the reproduction number R0. Accurately, if R0 < 1, we show the global asymptotic stability of the disease-free equilibrium by analyzing the corresponding characteristic equation and using compa...

Study on the impact of multiple prevention strategies on COVID-19 pandemic

Background:Today, with the coronavirus pandemic, the governments and international institutions are rapidly taking various approaches to infection control. In the meantime, the care of healthcare workers who are responsible for the health and treatment of patients is very important. The COVID-19 epidemic in China has achieved a great victory, and it is important to summarize the successful anti...

New Coronavirus (2019-nCoV): An Insight Toward Preventive Actions and Natural Medicine

Challenges of Iranian Environmental Health during the COVID-19 Epidemic: Lessons for the Future

Emerging and communicable infectious diseases are one of the major public health challenges that adherence to the principles of primary health care can prevent the rising of morbidity and mortality in communities. This study investigates the environmental health challenges of Iran in Covid-19 epidemic as an emerging infectious disease. Insufficient readiness of the health system, delays in qua...

Q fever a Forgotten Disease in Iran

There have already been a few studies on Q fever in Iran and most of them go back to more than 50 years ago. Preliminary serologic studies on ruminants and febrile patients in Southeast Iran show a high seropositivity in this region. Misdiagnosis as well as poor attention of public health authorities to this infection can facilitate the epidemic spread of Q fever. Further studies on the diagnos...