Ms. Maria L. Ferreira M.D.

What is a vaccine?Vaccines are products that enable a person to develop immunity against certain diseases. A vaccine can be given through needle injections, by aerosol, or by mouth. The polio vaccine is given in the form of mouth drops that contain live but weakened organisms. The vaccine gets into...

It is very common to assume that anyone with the sniffles is contagious. Very often, however, those sniffles are not linked to anything contagious at all--they can be related to other factors. The first thought of many individuals when they suffer from a runny nose, nasal congestion, coughing, or...

What is RSV?RSV or respiratory syncytial virus is a common virus that usually affects the respiratory tract. It can cause colds in adults and older children, but may cause serious lung infections, such as pneumonia or bronchiolitis in babies and immunocompromised individuals. CausesRSV is only...

Orchiopexy is a surgical procedure that corrects the position of undescended testicles inside the scrotum. Orchiopexy is performed to male children to correct cryptorchidism, a medical term used for any undescended testicles. Orchiopexy can also be performed to male adults or adolescents, which may...

Molluscum contagiosum is a contagious skin infection, which is mostly seen in children and the elderly. The infection comes with uneven bumps on the skin, which get bigger in size. The bumps are itchy and develop blisters when scratched. Sexually active adults are usually affected by this skin...

Head lice are grayish insects that feed on human blood extracted from the scalp. Female lice release sticky substances that attach all eggs to specific hair shafts. Eggs are laid a few millimeters from the shaft - an environment that offers the idyllic temperature for incubation.Everyone who comes...