Exhibition of a Fœtus Thrown off during an Attack of Smallpox

Exhibition of an Anencephalous Fœtus, Born Co-Twin with a Healthy Child

آبله و آمادگی برخورد با حملات بیوتروریستی

Smallpox is a serious infectious disease to have ever afflicted mankind. Smallpox is caused by variola virus, which belongs to a family of viruses known as poxviridae. Pox viruses are large DNA viruses which are 200-400 nm. The smallpox prodrome is characterized by the sudden on-set of high fever (38.5°C-40.5°C) and malaise 10 to 14 days after exposure. As populations grew and migrated, the dis...

Prevalence of smallpox and the trend of smallpox Inoculation in Fars in the first Pahlavi period

One of the infectious diseases that was widespread in Fars province during the first Pahlavi era (1925-1941) was smallpox. This disease spread in the early days of the Pahlavi dynasty in the cities of Fars province and its epidemic reached its peak in 1318 AD. Important measures were taken to control the disease, including smallpox inoculation. The smallpox inoculators tried to control the dise...

Ring vaccination versus mass vaccination in event of a smallpox attack.

Since vaccination is critical in responding to smallpox exposure, vaccination strategies must be evaluated during bioterrorism preparedness. Information on historical factors, smallpox characteristics, public health capabilities and hypothetical attack scenarios was used to evaluate major vaccination strategies. In event of a smallpox attack, the optimal strategy is situational, mass vaccinatio...

Analysis and Improving the Security of the Scalar Costa Scheme against Known Message Attack

Unintentional attacks on watermarking schemes lead to degrade the watermarking channel, while intentional attacks try to access the watermarking channel. Therefore, watermarking schemes should be robust and secure against unintentional and intentional attacks respectively. Usual security attack on watermarking schemes is the Known Message Attack (KMA). Most popular watermarking scheme with stru...