Keyword: Virology
Epidemiology
![](/wp-content/thumbs/f455fe7b6b6bdc3c41fe423f767199008d20f110_300-200cropped.jpg)
Bird flu on the Galápagos Islands
H5N1 virus detected in samples from birds found dead in the Galápagos Islands
By Redação
INTELLECTUAL PROPERTY
![](/wp-content/thumbs/5901f020fbe1046ae766a2a02b7dc486ab1dc345_300-200cropped.jpg)
Obstacles to innovation
Knowledge about Zika and Chikungunya resulted in several patents, but few products within public reach
Biology
![](/wp-content/thumbs/3f106a5c47d7703b3add31d8547bd0753c18ed1e_300-200cropped.jpg)
Giant viruses released from thawing ground
Viruses come back to life after lying dormant in the icy ground for millennia
By Redação
Infectious diseases
![](/wp-content/thumbs/328e9c95b76086be9e8dfcc775da87ff46167cf4_300-200cropped.jpg)
Antibody neutralizes Zika in preclinical trials
A superpotent immunoglobulin M antibody stopped the virus in animal tests
MEDICINE
![](/wp-content/thumbs/2828846c98ec4b0dd28163f7bc70fb7391addea6_300-200cropped.jpg)
The resurgence of the Sabiá virus
Two new cases of Brazilian hemorrhagic fever, caused by the Sabiá virus, have been identified
By Redação
Public health
![](/wp-content/thumbs/a99473fa577d4505b527e7cfd9991c7740df451e_300-200cropped.jpg)
Number of unvaccinated children rises
Brazil was one of the countries most affected by falling childhood vaccination in 2021
By Redação
COVID-19
![](/wp-content/thumbs/ab4cd1cec294e1932b16717bcfcb7fd90a3b6ecf_300-200cropped.jpg)
Anti-coronavirus semiconductors
Nanotechnological materials emerge as promising alternatives in the battle against SARS-CoV-2 and future pandemics
By Suzel Tunes
Public health
![](/wp-content/thumbs/e0773125f6f2e173e41a6bb61608164ab5f11f7a_300-200cropped.jpg)
Polio returns to Africa
In late March, four African countries announced a mass vaccination campaign against polio
By Redação
INFECTIOUS DISEASES
![](/wp-content/thumbs/8162661c5b94d5ad229cc46daec07fd963eb208d_300-200cropped.jpg)
A long-sought cure may be closer
Experimental treatment able to control HIV for six months after stopping antiretrovirals
COVID-19
![](/wp-content/thumbs/c0935245271ca75cff2972459d2621ec8951d730_300-200cropped.jpg)
Long-term damage to the surroundings
A cellular change induced by SARS-CoV-2 may explain prolonged symptoms of the disease
By Redação
COVID-19
![](/wp-content/thumbs/ccdb3804e9fb634c6781ca24c5c7ca4b6c183dc5_300-200cropped.jpg)
The efficiency of masks
Tests reveal how and to what extent different types of masks limit the airborne spread of infectious diseases
By Tiago Jokura