11 Symptoms of COVID-19 | Fever, Dry Cough, Headache? What is the Incubation Period of Coronavirus Disease?


Hong Kong faced rising number of new cases with unidentified source as third wave of COVID-19 broke out. What can we do to cope with the new pandemic situation? Earlier, World Health Organization (WHO) announced 11 COVID-19 symptoms. With deep throat saliva test, we can better understand coronavirus and alleviate the risks of being infected.


Meanwhile, we should also pay close attention to personal hygiene and health protection. This article introduced the latest discounted pneumonia prevention products and recommended various health products. Check out the FAQ section on how to effectively prevent coronavirus and the chances of infections or in case of recovery.

11 COVID-19 Symptoms Listed by WHO

The total number of global infections of COVID-19 exceed 13 million, and the death toll is approaching 600,00 (as of 16/7). Facing a global epidemic, WHO listed 11 coronavirus symptoms:

  • Fever
  • Dry Cough
  • Fatigue
  • Muscle Pain
  • Nasal Congestion
  • Headache
  • Conjunctiva
  • Sore Throat
  • Diarrhea
  • Loss of taste or smell
  • Rash/Discolouration of fingers or toes

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What is the Incubation Period of the Coronavirus Disease? 14 Days?

Resources from Centre for Health Protection suggested that the incubation period of coronavirus is 1 – 14 days, commonly 5 days. However, Zhong Nanshan, editor-in-chief of the Journal of Thoracic Disease, pointed out in February that the incubation period of coronavirus can last for 24 days. Since the outbreak, we have seen cases that its incubation period is longer than 14 days, a case in Hubei even lasted for 27 days. During the incubation period, the patient may not show obvious symptoms or even no symptoms at all, so we have to be extra vigilant.


Quality HealthCare Physical Centres Deep Throat Saliva Test, Virtual Doctor Consultation

It is inevitable to not feel worried if we see signs of COVID-19, even if there are no symptoms. Taking the deep throat saliva test is good idea to lessen your worries. Health.esdlife now provides reservation services for interested individuals to take COVID-19 RT-PCR Test and virtual consultation.


COVID-19 RT-PCR Test and Doctor Video Consultation Service

  • Target: 18 years old and older asymptomatic individuals / employees of the service and catering industries / medical staff or their family members, etc.
  • Report: Electronic report will be available in 2-3 working days (from the time the sample is received)
  • Service Features:
    1. Doctor’s video consultation, patients are not required to attend the centre physically
    2. All procedures (appointment, sample collection, sample delivery and report) could be completed at home, minimize the chances of infections
  • Centre: Quality HealthCare Physical Centres
  • Price: HK$1,250

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Precious Blood Hospital Deep Throat Saliva Test, 1-2-day Electronic Report

Precious Blood Hospital’s deep throat saliva test is launched, reservations are available starting from today to 30th November with limited time offers!


COVID-19 RT-PCR Test Precious Blood Hospital, 1-2-day Electronic Report

  • Target: Suspected of being infected / employees of the service and catering industries / medical staff or their family members / newly arrived foreign workers
  • Report: Electronic report will be available in 1-2 working days (from the time the sample is received)
  • Service Features:
    1. Self-pick-up/Authorize
  • Centre: Precious Blood Hospital(Caritas)
  • Price: HK$1,200(20% off)(Original Price: HK$1,500)


To Prevent Pneumonia, Reserve Deep Throat Saliva Test Now

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Pneumonia Prevention Products, Supplements and Offers

Other than COVID-19 RT-PCR Test, we should also have epidemic prevention products prepared in case of another wave of infections. Health.esdlife provide a wide range of pneumonia prevention products, below are the most popular product categories:

  • Mask (Made in Hong Kong Mask Just launched!)
  • Household Photocatalyst Disinfection Spray
  • Sanitizer for Home and Outing
  • Home/Workplace Air Purifier Recommendations
  • Health Products for respiratory and lung health


Mask(Made in Hong Kong Mask Just launched!)


<<Swipe left or right for more details>>

WatsMask Adult 3-Ply Hygienic
Face Mask ASTM Level 2
(30 pcs Individual pack)
WatsMask Adult 3-Ply Hygienic
Face Mask ASTM Level 3
(30 pcs Individual Pack)
O2 Wear Korea KF94
Three-dimensional 4-layer Face
Mask(Adult/Kid 50pcs)(Free Delivery)

Watsons Mask Specifications

  • Made in Hong Kong, ASTM Level 2 certified
  • 30 pcs/box
  • BFE ≧98%、PFE ≧98%
  • Extra soft earloop

Watsons Mask Specifications

  • Made in Hong Kong, ASTM Level 3 certified
  • 30 pcs/box
  • BFE≧99%、PFE≧99%
  • Extra soft earloop

Mask Specifications

  • KFDAsafety certification
  • Effectively filter out 94% of 0.4㎛ fine suspended particles in the air
  • Four layers of protection, three dimensional, comfortable
WatsMask Size:17.5cm x 9.5cm

Mask Size

  • Suitable for men and women, around 21x7.8cm (folded)
  • 4 – 13 years old, around 18x7 cm (folded)

Watsons Mask Price: 
HK$79.9/1 box

Watsons Mask Price:
HK$119.9/1 box

Mask Price:HK$425
(Original Price: HK600)( 50 pcs/1 box)



  LabPro 3 Ply Disposable Face
Mask ASTM Level 2(30 pcs)
LabPro 3 Ply Disposable Face Mask ASTM Level 1(50 pcs) LiveMask Adult
Medical Masks 50pcs
1 Pack
Brand-K Korea KF94 AdultFace Mask(20pcs/50pcs)


  • Made in Hong Kong, individual packing
  • ASTM Level 2 certified
  • BFE and PFE≧98%
  • Effective in filtering bacteria, micro-substances, droplet
  • Made in Hong Kong, Three-Ply Layer
  • ASTM F2100 Level 1 standards certified
  • BFE and PFE≧95%
  • Effective in filtering bacteria, micro-substances, droplet
  • EU second level standard EN14683 Type II
  • BFE bacterial filtration rate ≧ 98 (%)
  • Adopted by the Hong Kong Nurses Association
  • SF Express Delivery, SF Smart Locker are available or Self pick-up at any SF Express Centers (delivery charges excluded)
  • Pro3Mask Skin-Friendly 3D Design
  • Outer Layer is Waterproof, Anti-Mites, Anti-Bacterial, Anti-Mould
  • Particle-Filtering Middle Layer, efficient Bacteria Filtration
  • Able to maintain 99.9% anti-bacterial effect after washing up to 60 times
  • Anti-bacterial, anti-pollen and anti-droplet
  • Effectively filter out 94% of 4㎛ fine suspended particles in the air
  • 3D design, breathable and comfortable
Size 17.5cm x 9.5cm
17.5cm x 9.5cm 18cm x 9cm 

(before unfolding)11cm x 14cm
(unfolded) 22cm x 14cm


HK$96/1 box

HK$299/4 boxes
(Original Price: HK$384)
Average $75/box/Free delivery


HK$550/4 boxes
(Original Price:  HK$580)
Average HK$137.5/box/
Free delivery

(Original Price:  HK$239)

(Limited to 1000 boxes,
while stock lasts)

Selling Price:
HK$198/2 per pack
(Original Price: HK$268)

HK$260/20 pcs
(Original Price: HK$300)

HK$530/50 pcs
(Original Price: HK$750)



  Taiwan BrealaxLab Medical Face Masks – 2 boxes(100 pcs in total) New Zealand Metamask reusable nano high-performance mask Taiwan 3D Three-dimensional Protective Mask(30pcs/100pcs)


  • Block up to 99.9% of 3.1 micron (㎛) particles in diameter
  • Passed Taiwan (CNS 14775) Testing, close to N95 Mask Standards
  • Individual packing, 50pcs/1 box
  • Red circle designates that a particle size of PM 1.0 microns, nano-coco-carbon filter captures 99.7% of all airborne particulates. At a particle size of PM2.5 microns, filter captures up 99.99% of all airborne particulates
  • Organic fabrics with natural plant dyes, High air permeability, comfortable to wear
  • Passed Taiwan Textile TTRI laboratory inspection: BFE> 98%, PFE> 90%, VFE> 99%
  • 3D three-dimensional mask, comfortable to wear
Size 17.8cm x 9.8cm

L size(suitable for men) : 14-16 cm
M size(suitable for women): 12-14 cm

L:11-13cm (Adult)
M:9-11cm (Junior/Women)
S:7-8cm (Kid)


HK$299/1 box
(Original Price: HK$399)

HK$198(Original Price: HK$298)
Each box contains 2 sets of replaceable filter masks

HK$100/1 box(30pcs)
HK$300/1 box(100pcs)

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Convenient and Effective: Household Photocatalyst Spray

Photocatalyst was originally used to remove formaldehyde. Studies have shown that it can also be used for household cleaning and it is more effective than general disinfectants and bleach especially in bacteria, viruses and microorganisms elimination. Photocatalyst can be applied in every corner of the home which makes it the best-selling pneumonia prevention products. Raze's photocatalyst nanoparticle spray can penetrate the surface of objects and form a self-disinfecting coating for up to 3 months. With the UV and artificial light activation, the sterilization can last for 8 hours even in the absence of light.


<<Swipe left or right for more details>>

  Raze Original Anti Bacteria and Odors Spray 160ml Raze Wood Anti Bacteria and Odors Spray 250ml Raze Leather Anti Bacteria and Odors Spray 250ml Raze Ceramic Anti Bacteria and Odors Spray 250ml
Product Features
  • Continuous protection against bacteria, viruses, VOCs, and odours
  • Protect your home without compromising appearance
  • Utilized in KMB and Long Win Bus Company Limited Buses
  • Suitable for wooden door, desk, chair, floor
  • Suitable for leather sofa, chair, coat, bag
  • Anti-mold in kitchen and toilet
  • Suitable for toilet, bathtub, sink, ceramic floor and wall etc.

Out of Stock

HK$123(15% off)
(Original Price: HK$145)

HK$123(15% off)
(Original Price: HK$145)

HK$123(15% off)
(Original Price: HK$145)


More Raze Photocatalyst Products Recommendations

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Sanitizer for Home/Outing Recommendations

Alcoholic handrub contains alcohol that can kill Coronavirus, it is easy to carry and use. It was sold out at the beginning of the pandemic. It is important to pay attention to the alcohol concentration before purchase.


<<Swipe left or right for more details>>

  Moi Adore 75Q 75% Alcohol
Sanitizing Hand Gel

75% Alcohol Instant Hand
Sanitizer Gel 7 Bottles Kit

ZOONO 24 Hours Foaming
Hand Sanitizer Spray 50ml

Product Features
  • 70-80% alcohol concentration, met WHO most effective sterilization standards
  • Compliant with EU Medical Device Directive 93/42/EEC
  • Free shipping on orders over HK$350, delivery fee for less than HK$350 is HK$40
  • Contains 75% food grade alcohol
  • Aloe extract and glycerin
  • Sterilized 99.99%, enterovirus, influenza A H1N1
  • Spray directly on tableware, kitchenware and gloves for disinfection
  • Organic, non-Staining, odorless, non-sensitized
  • Long-lasting: effective for 24 hours on hands, kills 99.99% of germs that may cause illness
  • FDA Compliant Formula, dermatologically tested & approved

health.ESDlife price:

Original Price:

health.ESDlife price: HK$120
(Original Price: HK$149)

health.ESDlife price: HK$148
(Original Price: HK$198)


More Sanitizer/Alcohol Handrub Recommendations

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Home/Workplace Sanitizer Recommendations

In general, air purifiers with built-in photocatalyst, silver ion filter or Kill Virus filter can block viruses in the air. When purchasing, remember to pay attention to whether the product details state that it can filter viruses.


<<Swipe left or right for more details>>


PPP Medical Grade
Air Purifier PPP-1100-01

PPP High Performance
Air Purifier PPP-400-01

EcoPro VOC-250
Photocatalyst Air Purifer

Smartech Smart Silent Multi-
Function UV HEPA Air Purifier


Original Price



(Original Price: HK$3,800)

(Original Price: HK$1,498)

health.ESDlife Limited-time offer 

  • With Two-in-one formaldehyde- removal:HK$15,800
  • With KILL VIRUS sterilization filter:HK$16,500
  • With Two-in-one formaldehyde- removal:HK$5,800
  • With KILL VIRUS sterilization filter:HK$6,400

Free Japan EcoPro Disinfection Spray x1,
while stock lasts


Suitable Area

Around 750-1,200 sq. ft

Around 380-550 sq. ft

Around 230-300 sq. ft

Around 200 sq. ft

Product Feature

  • It has the functions of sterilization, deodorization and formaldehyde removal
  • Effectively kill bacteria and viruses with KILL VIRUS sterilizing filter
  • Filter particles as low as 0.09μm
  • Purification of smoke, odor, bacteria, and viruses
  • Removal PM 0.3 / 2.5 / 10
  • UV sterilization
  • Negative ion purification, such as dust, floating particles, etc.
  • The 6-stage air purification system
  • Absorbs formaldehyde, benzene and household odor
  • Eliminates particles, allergens, pollen, dust smoke and mold spores down to 0.3μm
  • Kill 99% bacteria, virus and germs

Buy Now

Out of Stock


Click here for more Air Purifier

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Pneumonia Prevention: Health Products for Respiratory and Lung Health

In addition to pneumonia prevention supplies, it is also very important to enhance your own immune system. Here are a few health products that enhance the immunity of the respiratory tract and lungs, which can help resist virus invasion and speed up recovery.


<<Swipe left or right for more details>>


Main Ingredients

Product Features

Buy Now

CATALO Lung Defense
Formula 60 Capsules

Quercetin and
Green Tea Extract

  • Reduce respiratory discomfort
  • Strengthen lung health
  • Repair lung cells
  • Reduce the chance of lung cells being damaged and mutated by harmful substances

Original Price: HK$368
Health.esdlife: HK$250

CATALO Extra Propolis
Extract 1000mg
(5x Concentrate)

Australia Propolis Extract
(5x Concentrate)

  • Enhance immune system to tackle various virus
  • Promote lung, oral and respiratory tract health
  • Promote digestive health
  • Maintain healthy liver and control bad breath
  • Improve skin quality
  • Ease sensitive symptoms effectively


Qivaro Ultra Respiratory
Pro Health(60 veggie caps)

Quercetin, Feverfew,
Nettle Extract, etc.

  • Relieve Sinus Pressure 
  • Decrease cold, allergy and hay fever symptoms 
  • Clear the sinus and respiratory passageways

Original Price: HK$580


Flora Respir Essence

Thyme herb top flowering,
Licorice root,
English plantain herb top,
pear fruit juice etc.

  • Respiratory relief
  • Soothes respiratory problems, like cough and upper respiratory tract infection
  • Alleviate pain in the mouth and throat
  • Relieve trachea and respiratory problems

Selling Price: HK$299

YesNutri Premium Cordyceps Plus
CoQ10 Capsules

1050mg Cordyceps Sinensis
200mcg  Coenzyme Q10

  • Nourish kidney and lung, control cough and arrest wheezing
  • strong antioxidant, maintain myocardial function and cardiovascular health

Original Price: HK$988
Health.esdlife: HK$644

NuMed BioTonic

Lily, almond,Citrus Aurantium, Ophiopogon Japonicus, Aster

  • Relieve tracheal discomfort
  • Reduce tracheal contraction, enhance immunity and reduce discomfort caused by sensitivity
  • Promote lung health
  • Reduce respiratory mucosal eosinophils

Original Price: HK$188.5
Health.esdlife: HK$165


More pneumonia prevention supplements

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COVID-19 Prevention FAQ


Q1: How Coronavirus is Transmitted?

A: With the development of the epidemic, COVID-19 has spread through more and more channels, including:

  • A recent study published in the scientific journal “Nature Communications” pointed out that the fetus may be infected in the mother’s womb
  • A study by the University of Hong Kong pointed out that in poorly ventilated places, even if people maintain social distancing, the virus still has a chance to spread through the air
  • A research team composed of the universities of Bath, Bristol and Southampton in the United Kingdom suggested that the courier package should be left for 72 hours before being opened, which will help reduce the risk of residual virus infection on the surface of the box.
  • Have close contact with the patient
  • Airborne Transmission
  • Feces transmission (a COVID-19 case in Hong Kong happened in Unit 07, Kang Mei Building, Cheung Hong Estate, Tsing Yi, is suspected of spreading the virus through the exhaust pipe of the dung canal)
  • Aerosol transmission (when droplets are mixed in the air, they form aerosols and are suspended in the air. The infection caused by inhalation mainly occurs in medical procedures such as sputum, tracheal intubation, etc.)
  • Contact with items contaminated by the virus (the new coronavirus can survive on the surface of dead objects for up to 9 days)

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Q2: What Activities/Occasions Have a Higher Risk of Infection?

A:  The COVID-19 Working Team and the Infectious Disease Committee of the Texas Medical Association (TMA) recently classified 37 daily activities into 9 levels, with the first level of infection risk being the lowest and the 9th level of infection risk being the highest. Here are a few examples:

  • Level 9 (High Risk): Attend large concerts, go to bars, etc.
  • Level 8 (high risk): dine-in buffet, cinema, fitness center, etc.
  • Level 7 (medium-high risk): attending a wedding/funeral, playing basketball, hugging or shaking hands with friends, etc.
  • Level 6 (moderate risk): Office work for a week, swimming in public swimming pools, visiting elderly relatives and friends, etc.
  • Level 5 (medium risk): shopping in malls, going to the beach, going to other people’s houses and enterprises to eat, etc.
  • Level 4 (medium and low risk): two nights in hotel, one hour in playground, busy city walk, etc.
  • Level 3 (medium to low risk): running, walking, cycling, etc. with others
  • Level 2 (lowest risk): buy takeaway, play tennis, go camping, etc.
  • Level 1 (lowest risk): open mailbox

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Q3: What Can I Do to Prevent Coronavirus?

A: In order to prevent coronavirus more effectively, adequate protective measures must be taken:

  • Wear a mask when taking transportation or staying in crowded places
  • Always keep your hands clean, especially before touching your mouth, nose or eyes
  • Properly maintain the drain pipes and regularly (about once a week) pour about half a liter of water into each drain (U-shaped air baffle)
  • After going to the toilet, cover the toilet board before flushing to avoid spreading germs
  • When washing hands, clean your hands with soap and water, rub your hands for at least 20 seconds, rinse with water and dry them with tissue paper
  • If there is no hand-washing facility or when the hands are not obviously dirty, use 70 to 80% alcohol-based handrub to clean your hands
  • Cover your mouth and nose with tissues when sneezing or coughing. Dispose of the used tissues in a covered trash bin, and then thoroughly clean your hands

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Q4: Who Are at High Risk of Becoming Severely Ill After Infected?

A: According to a BBC report, pathologists used the data of the first batch of 44,000 cases provided by China to make statistics and found that the following people had a higher proportion of deaths than others:

  • The symptoms of pneumonia in people over 80 are particularly severe, leading to a 15% mortality rate
  • The symptoms of pneumonia in adults will be aggravated by other diseases at the same time, such as heart disease, and the mortality rate is 10%
  • Male smokers: the mortality rate of males is 1.1% higher than that of females, and the most likely is the proportion of smokers. The SARS and MERS studies also share the same view

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Q5: What Is the Cure or Treatment for Coronavirus?

A: Although there is already a new drug, Remdesivir, that is considered to be effective in the treatment of coronavirus, clinical trials have to be conducted to confirm its effectiveness. The current treatment is mainly supportive treatment, that is, through gradually soothing the symptoms to regulate the body's immune system until it returns to normal. In other words, as long as the body's resistance is strong enough, not only will there be a greater chance of avoiding the infection, the body will also recover more quickly after being infected.

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