by Dr. Gabriel M. Freitas | 10/17/2025 | Infectious Diseases, Respiratory Diseases
Content discussed in this post Where it began and an essential timeline Why it became a pandemic Global numbers and excess mortality Psychological and social impact Economic and education impact Vaccination: why it moved so fast Symptoms, transmission, and risk...
by Dr. Gabriel M. Freitas | 10/02/2025 | Dermatological Disease, Infectious Diseases
Content discussed in this post What herpes is (HSV-1 and HSV-2) Symptoms and course Transmission, reactivation, and recurrence factors Diagnosis and differentials Treatment: episodic, suppressive, and pain control Special situations (pregnancy, immunosuppression,...
by Dr. Gabriel M. Freitas | 09/11/2025 | Infectious Diseases
Hepatitis B is a viral infection that affects the liver and can present as either acute or chronic. Caused by the hepatitis B virus (HBV), this condition is considered one of the major global public health concerns due to its high transmission rate and potential...
by Dr. Gabriel M. Freitas | 09/02/2025 | Infectious Diseases
Hepatitis A is a viral infection that affects the liver and, although generally considered a milder form of hepatitis, it can cause major concern when outbreaks occur in populations. The disease is transmitted mainly through the ingestion of contaminated water or food...
by Dr. Gabriel M. Freitas | 08/07/2025 | Infectious Diseases
Chickenpox, also known as varicella, is a highly contagious infectious disease caused by the varicella-zoster virus. Although it is most common in childhood, it can also affect teenagers and adults who have never been exposed to the virus or vaccinated. While...
by Dr. Gabriel M. Freitas | 07/09/2025 | Infectious Diseases
Rabies is an extremely serious viral infectious disease that affects the central nervous system of mammals, including humans. Caused by a virus from the Lyssavirus genus, the infection is almost always fatal once clinical symptoms appear. That’s why prevention and...