Severe Acute Respiratory Syndrome

Severe acute respiratory syndrome (SARS) is a viral respiratory illness caused by a coronavirus, called SARS-associated coronavirus (SARS-CoV). SARS was first reported in Asia in February 2003. Over the next few months, the illness spread to more than two dozen countries in North America, South America, Europe, and Asia before the SARS global outbreak of 2003 was contained.

SARS or Severe Acute Respiratory Syndrome is a viral respiratory illness caused by a coronavirus - the SARS associated coronavirus (SARS-CoV) - which can be life-threatening.

SARS: Tips for Travellers

SARS, Treatment, Control and Tests

How SARS is Spread

Lasting COVID-19 vulnerability in childhood cancer survivors

The study finds childhood cancer survivors at higher risk for severe COVID-19, stressing the importance of tailored interventions for vulnerable populations.

8 Jul 2025

Macrophage-derived lipocalin 2 drives severe pneumonia in SARS-CoV-2 infection

Since the emergence of Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2), understanding the mechanisms underlying severe pneumonia has remained a major research challenge.

1 Jul 2025

How underreporting masks the real impact of RSV in older populations

Research shows RSV leads to high hospitalization rates in adults, emphasizing the importance of enhanced surveillance and diagnostic measures in healthcare.

1 Jul 2025

How 50,000 years of ancestry shaped India’s unique disease patterns

Scientists sequenced the genomes of 2,762 individuals across India, revealing the country’s unique ancestral makeup and a wealth of previously undocumented disease-related gene variants. The study highlights how ancient migrations, founder effects, and endogamy have shaped both diversity and disease risk in India.

29 Jun 2025

Gut microbe emerges as a promising tool in the fight against COVID-19

Researchers found that Akkermansia muciniphila boosts lung-specific antiviral immunity against SARS-CoV-2 in mice by modulating the gut–lung axis. This commensal gut bacterium shows promise as a potential biomarker and biotherapeutic candidate for COVID-19 and other respiratory infections.

25 Jun 2025

New data show COVID-19 triggers spike in new diabetes cases

A large cohort study in California state prisons found that COVID-19 infection modestly but significantly increases the risk of developing new-onset diabetes. The elevated risk persists for months after infection, even when accounting for confounding factors and diagnostic intensity.

18 Jun 2025

Early signs of breastfeeding failures after premature birth

A study on breastfeeding after premature birth identifies key factors affecting milk composition and volume, emphasizing the need for early support for mothers.

10 Jun 2025

Electromagnetic waves disrupt SARS-CoV-2 spike protein and lower infectivity

Researchers demonstrated that specific electromagnetic wave frequencies can disrupt the SARS-CoV-2 Spike protein structure in virus-like particles, leading to reduced infectivity in cell models. This proof-of-concept study suggests new avenues for non-chemical viral inactivation methods.

18 May 2025

Lower fitness before infection raises risk of long COVID, study finds

Adults who later developed long COVID had lower cardiorespiratory fitness (CRF) before infection than those who did not. COVID-19 was not linked to accelerated or clinically significant declines in CRF, even among long COVID cases.

15 May 2025

Nirsevimab slashes RSV hospitalizations in infants by 78% in real-world study

A Spanish study found that nirsevimab prophylaxis significantly reduced infant hospitalizations, ICU admissions, and severe symptoms linked to RSV and other respiratory viruses. Hospitalizations for RSV dropped by 78% following nirsevimab rollout in Madrid maternity wards.

8 May 2025

New evidence shows long COVID’s toll on health across all U.S. states

A nationally representative U.S. study of over 100,000 adults found that post-COVID conditions (PCCs) significantly reduce quality of life. Key risk factors for poor health outcomes include obesity, inactivity, chronic disease, and socioeconomic disadvantage.

8 May 2025

Wildlife trade, not bats, likely moved the ancestors of SARS-CoV-2 to humans

New genetic analyses reveal that the bat virus ancestors of SARS-CoV-1 and SARS-CoV-2 likely circulated in Western China or Northern Laos just years before human outbreaks. Their rapid appearance thousands of kilometers away suggests wildlife trade, not bat migration, was the likely transmission path.

8 May 2025

Scientists use AI to build mutation-proof antibodies for SARS-CoV-2

Researchers used AI models to design antibodies that neutralize over 1,300 SARS-CoV-2 strains, including Delta and Omicron. The models demonstrated faster, cheaper, and more adaptable therapeutic development compared to traditional methods.

5 May 2025

New antiviral compounds show broad protection against COVID-19 variants

Novel Mpro inhibitors exhibit broad activity against SARS-CoV-2 and other coronaviruses.

30 Apr 2025

COVID-19 lowers sperm count and motility, new study confirms

SARS-CoV-2 infection is linked to significant declines in sperm quality, including reduced sperm count, motility, and increased DNA fragmentation, as shown in both cross-sectional and longitudinal observations.

24 Apr 2025

Study reveals cloth masks rival some medical masks, but only N95s deliver near-total protection

A PLOS ONE study tested the real-world filtration efficiency of cloth masks, medical masks, and respirators, revealing large differences in performance based on fit and mask type. Only N95s and CaN99s approached occupational safety standards without formal fit-testing.

23 Apr 2025